vendor/clang/clang-release_50-r311219

81 files changed, 801 insertions, 323 deletions

diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index deffa24c4e42..982abb024525 100644
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -61,7 +61,7 @@ Improvements to Clang's diagnostics
 New Compiler Flags
 ------------------
 
-The option ....
+- --autocomplete was implemented to obtain a list of flags and its arguments. This is used for shell autocompletion.
 
 Deprecated Compiler Flags
 -------------------------
@@ -200,7 +200,13 @@ libclang
 Static Analyzer
 ---------------
 
-...
+- The static analyzer now supports using the
+  `z3 theorem prover <https://github.com/z3prover/z3>`_ from Microsoft Research
+  as an external constraint solver. This allows reasoning over more complex
+  queries, but performance is ~15x slower than the default range-based
+  constraint solver. To enable the z3 solver backend, clang must be built with
+  the ``CLANG_ANALYZER_BUILD_Z3=ON`` option, and the
+  ``-Xanalyzer -analyzer-constraints=z3`` arguments passed at runtime.
 
 Undefined Behavior Sanitizer (UBSan)
 ------------------------------------
@@ -240,8 +246,20 @@ New Issues Found
 Python Binding Changes
 ----------------------
 
+Python bindings now support both Python 2 and Python 3. 
+
 The following methods have been added:
 
+- ``is_scoped_enum`` has been added to ``Cursor``.
+
+- ``exception_specification_kind`` has been added to ``Cursor``.
+
+- ``get_address_space`` has been added to ``Type``.
+
+- ``get_typedef_name`` has been added to ``Type``.
+
+- ``get_exception_specification_kind`` has been added to ``Type``.
+
 -  ...
 
 Significant Known Problems
diff --git a/include/clang-c/Index.h b/include/clang-c/Index.h
index b35f436e91b6..3b5ea9fa539b 100644
--- a/include/clang-c/Index.h
+++ b/include/clang-c/Index.h
@@ -3206,6 +3206,8 @@ enum CXCallingConv {
   CXCallingConv_X86RegCall = 8,
   CXCallingConv_IntelOclBicc = 9,
   CXCallingConv_Win64 = 10,
+  /* Alias for compatibility with older versions of API. */
+  CXCallingConv_X86_64Win64 = CXCallingConv_Win64,
   CXCallingConv_X86_64SysV = 11,
   CXCallingConv_X86VectorCall = 12,
   CXCallingConv_Swift = 13,
diff --git a/include/clang/AST/Decl.h b/include/clang/AST/Decl.h
index 08b34a75aa60..54e6ebcd8af2 100644
--- a/include/clang/AST/Decl.h
+++ b/include/clang/AST/Decl.h
@@ -1666,8 +1666,7 @@ private:
   unsigned HasSkippedBody : 1;
 
   /// Indicates if the function declaration will have a body, once we're done
-  /// parsing it.  (We don't set it to false when we're done parsing, in the
-  /// hopes this is simpler.)
+  /// parsing it.
   unsigned WillHaveBody : 1;
 
   /// \brief End part of this FunctionDecl's source range.
diff --git a/include/clang/Basic/DiagnosticDriverKinds.td b/include/clang/Basic/DiagnosticDriverKinds.td
index a28d63182749..fcef881fa0ae 100644
--- a/include/clang/Basic/DiagnosticDriverKinds.td
+++ b/include/clang/Basic/DiagnosticDriverKinds.td
@@ -138,9 +138,10 @@ def err_drv_cc_print_options_failure : Error<
 def err_drv_lto_without_lld : Error<"LTO requires -fuse-ld=lld">;
 def err_drv_preamble_format : Error<
     "incorrect format for -preamble-bytes=N,END">;
-def err_invalid_ios_deployment_target : Error<
+def warn_invalid_ios_deployment_target : Warning<
   "invalid iOS deployment version '%0', iOS 10 is the maximum deployment "
-  "target for 32-bit targets">;
+  "target for 32-bit targets">, InGroup<InvalidIOSDeploymentTarget>,
+  DefaultError;
 def err_drv_conflicting_deployment_targets : Error<
   "conflicting deployment targets, both '%0' and '%1' are present in environment">;
 def err_arc_unsupported_on_runtime : Error<
diff --git a/include/clang/Basic/DiagnosticGroups.td b/include/clang/Basic/DiagnosticGroups.td
index 53d8f36ecd00..23e4d4633ae2 100644
--- a/include/clang/Basic/DiagnosticGroups.td
+++ b/include/clang/Basic/DiagnosticGroups.td
@@ -151,9 +151,13 @@ def GNUFlexibleArrayUnionMember : DiagGroup<"gnu-flexible-array-union-member">;
 def GNUFoldingConstant : DiagGroup<"gnu-folding-constant">;
 def FormatExtraArgs : DiagGroup<"format-extra-args">;
 def FormatZeroLength : DiagGroup<"format-zero-length">;
-def CXX1zCompatMangling : DiagGroup<"c++1z-compat-mangling">;
+
+def InvalidIOSDeploymentTarget : DiagGroup<"invalid-ios-deployment-target">;
+
+def CXX17CompatMangling : DiagGroup<"c++17-compat-mangling">;
+def : DiagGroup<"c++1z-compat-mangling", [CXX17CompatMangling]>;
 // Name of this warning in GCC.
-def NoexceptType : DiagGroup<"noexcept-type", [CXX1zCompatMangling]>;
+def NoexceptType : DiagGroup<"noexcept-type", [CXX17CompatMangling]>;
 
 // Warnings for C++1y code which is not compatible with prior C++ standards.
 def CXXPre14Compat : DiagGroup<"c++98-c++11-compat">;
@@ -215,9 +219,10 @@ def CXX14Compat : DiagGroup<"c++14-compat", [CXXPre1zCompat]>;
 def CXX14CompatPedantic : DiagGroup<"c++14-compat-pedantic",
                                     [CXXPre1zCompatPedantic]>;
 
-def CXX1zCompat : DiagGroup<"c++1z-compat", [DeprecatedRegister,
+def CXX17Compat : DiagGroup<"c++17-compat", [DeprecatedRegister,
                                              DeprecatedIncrementBool,
-                                             CXX1zCompatMangling]>;
+                                             CXX17CompatMangling]>;
+def : DiagGroup<"c++1z-compat", [CXX17Compat]>;
 
 def ExitTimeDestructors : DiagGroup<"exit-time-destructors">;
 def FlexibleArrayExtensions : DiagGroup<"flexible-array-extensions">;
@@ -769,10 +774,11 @@ def CXX14 : DiagGroup<"c++14-extensions", [CXX14BinaryLiteral]>;
 
 // A warning group for warnings about using C++1z features as extensions in
 // earlier C++ versions.
-def CXX1z : DiagGroup<"c++1z-extensions">;
+def CXX17 : DiagGroup<"c++17-extensions">;
 
 def : DiagGroup<"c++0x-extensions", [CXX11]>;
 def : DiagGroup<"c++1y-extensions", [CXX14]>;
+def : DiagGroup<"c++1z-extensions", [CXX17]>;
 
 def DelegatingCtorCycles :
   DiagGroup<"delegating-ctor-cycles">;
diff --git a/include/clang/Basic/DiagnosticLexKinds.td b/include/clang/Basic/DiagnosticLexKinds.td
index d6de5c04a74d..706881bfdc5d 100644
--- a/include/clang/Basic/DiagnosticLexKinds.td
+++ b/include/clang/Basic/DiagnosticLexKinds.td
@@ -181,10 +181,10 @@ def err_hex_constant_requires : Error<
 def ext_hex_constant_invalid : Extension<
   "hexadecimal floating constants are a C99 feature">, InGroup<C99>;
 def ext_hex_literal_invalid : Extension<
-  "hexadecimal floating literals are a C++1z feature">, InGroup<CXX1z>;
+  "hexadecimal floating literals are a C++17 feature">, InGroup<CXX17>;
 def warn_cxx1z_hex_literal : Warning<
   "hexadecimal floating literals are incompatible with "
-  "C++ standards before C++1z">,
+  "C++ standards before C++17">,
   InGroup<CXXPre1zCompatPedantic>, DefaultIgnore;
 def ext_binary_literal : Extension<
   "binary integer literals are a GNU extension">, InGroup<GNUBinaryLiteral>;
@@ -208,7 +208,7 @@ def warn_cxx98_compat_unicode_literal : Warning<
   "unicode literals are incompatible with C++98">,
   InGroup<CXX98Compat>, DefaultIgnore;
 def warn_cxx14_compat_u8_character_literal : Warning<
-  "unicode literals are incompatible with C++ standards before C++1z">,
+  "unicode literals are incompatible with C++ standards before C++17">,
   InGroup<CXXPre1zCompat>, DefaultIgnore;
 def warn_cxx11_compat_user_defined_literal : Warning<
   "identifier after literal will be treated as a user-defined literal suffix "
diff --git a/include/clang/Basic/DiagnosticParseKinds.td b/include/clang/Basic/DiagnosticParseKinds.td
index f39ffeae61f4..5170c07bf666 100644
--- a/include/clang/Basic/DiagnosticParseKinds.td
+++ b/include/clang/Basic/DiagnosticParseKinds.td
@@ -211,10 +211,10 @@ def err_inline_namespace_alias : Error<"namespace alias cannot be inline">;
 def err_namespace_nonnamespace_scope : Error<
   "namespaces can only be defined in global or namespace scope">;
 def ext_nested_namespace_definition : ExtWarn<
-  "nested namespace definition is a C++1z extension; "
-  "define each namespace separately">, InGroup<CXX1z>;
+  "nested namespace definition is a C++17 extension; "
+  "define each namespace separately">, InGroup<CXX17>;
 def warn_cxx14_compat_nested_namespace_definition : Warning<
-  "nested namespace definition is incompatible with C++ standards before C++1z">,
+  "nested namespace definition is incompatible with C++ standards before C++17">,
   InGroup<CXXPre1zCompat>, DefaultIgnore;
 def err_inline_nested_namespace_definition : Error<
   "nested namespace definition cannot be 'inline'">;
@@ -358,7 +358,7 @@ def err_expected_coloncolon_after_super : Error<
   "expected '::' after '__super'">;
 
 def ext_decomp_decl_empty : ExtWarn<
-  "ISO C++1z does not allow a decomposition group to be empty">,
+  "ISO C++17 does not allow a decomposition group to be empty">,
   InGroup<DiagGroup<"empty-decomposition">>;
 
 /// Objective-C parser diagnostics
@@ -522,16 +522,16 @@ def err_function_is_not_record : Error<
 def err_super_in_using_declaration : Error<
   "'__super' cannot be used with a using declaration">;
 def ext_constexpr_if : ExtWarn<
-  "constexpr if is a C++1z extension">, InGroup<CXX1z>;
+  "constexpr if is a C++17 extension">, InGroup<CXX17>;
 def warn_cxx14_compat_constexpr_if : Warning<
-  "constexpr if is incompatible with C++ standards before C++1z">,
+  "constexpr if is incompatible with C++ standards before C++17">,
   DefaultIgnore, InGroup<CXXPre1zCompat>;
 def ext_init_statement : ExtWarn<
-  "'%select{if|switch}0' initialization statements are a C++1z extension">,
-  InGroup<CXX1z>;
+  "'%select{if|switch}0' initialization statements are a C++17 extension">,
+  InGroup<CXX17>;
 def warn_cxx14_compat_init_statement : Warning<
   "%select{if|switch}0 initialization statements are incompatible with "
-  "C++ standards before C++1z">, DefaultIgnore, InGroup<CXXPre1zCompat>;
+  "C++ standards before C++17">, DefaultIgnore, InGroup<CXXPre1zCompat>;
 
 // C++ derived classes
 def err_dup_virtual : Error<"duplicate 'virtual' in base specifier">;
@@ -560,7 +560,7 @@ def warn_cxx98_compat_nullptr : Warning<
 
 def warn_cxx14_compat_attribute : Warning<
   "attributes on %select{a namespace|an enumerator}0 declaration are "
-  "incompatible with C++ standards before C++1z">,
+  "incompatible with C++ standards before C++17">,
   InGroup<CXXPre1zCompat>, DefaultIgnore;
 def warn_cxx98_compat_alignas : Warning<"'alignas' is incompatible with C++98">,
   InGroup<CXX98Compat>, DefaultIgnore;
@@ -577,10 +577,10 @@ def err_cxx11_attribute_repeated : Error<
   "attribute %0 cannot appear multiple times in an attribute specifier">;
 def warn_cxx14_compat_using_attribute_ns : Warning<
   "default scope specifier for attributes is incompatible with C++ standards "
-  "before C++1z">, InGroup<CXXPre1zCompat>, DefaultIgnore;
+  "before C++17">, InGroup<CXXPre1zCompat>, DefaultIgnore;
 def ext_using_attribute_ns : ExtWarn<
-  "default scope specifier for attributes is a C++1z extension">,
-  InGroup<CXX1z>;
+  "default scope specifier for attributes is a C++17 extension">,
+  InGroup<CXX17>;
 def err_using_attribute_ns_conflict : Error<
   "attribute with scope specifier cannot follow default scope specifier">;
 def err_attributes_not_allowed : Error<"an attribute list cannot appear here">;
@@ -617,11 +617,11 @@ def err_expected_comma_greater : Error<
 def err_class_on_template_template_param : Error<
   "template template parameter requires 'class' after the parameter list">;
 def ext_template_template_param_typename : ExtWarn<
-  "template template parameter using 'typename' is a C++1z extension">,
-  InGroup<CXX1z>;
+  "template template parameter using 'typename' is a C++17 extension">,
+  InGroup<CXX17>;
 def warn_cxx14_compat_template_template_param_typename : Warning<
   "template template parameter using 'typename' is "
-  "incompatible with C++ standards before C++1z">,
+  "incompatible with C++ standards before C++17">,
   InGroup<CXXPre1zCompat>, DefaultIgnore;
 def err_template_spec_syntax_non_template : Error<
   "identifier followed by '<' indicates a class template specialization but "
@@ -695,10 +695,10 @@ def err_default_template_template_parameter_not_template : Error<
   "template">;
 
 def ext_fold_expression : ExtWarn<
-  "pack fold expression is a C++1z extension">,
-  InGroup<CXX1z>;
+  "pack fold expression is a C++17 extension">,
+  InGroup<CXX17>;
 def warn_cxx14_compat_fold_expression : Warning<
-  "pack fold expression is incompatible with C++ standards before C++1z">,
+  "pack fold expression is incompatible with C++ standards before C++17">,
   InGroup<CXXPre1zCompat>, DefaultIgnore;
 def err_expected_fold_operator : Error<
   "expected a foldable binary operator in fold expression">;
@@ -751,16 +751,16 @@ def err_alias_declaration_pack_expansion : Error<
 // C++1z using-declaration pack expansions
 def ext_multi_using_declaration : ExtWarn<
   "use of multiple declarators in a single using declaration is "
-  "a C++1z extension">, InGroup<CXX1z>;
+  "a C++17 extension">, InGroup<CXX17>;
 def warn_cxx1z_compat_multi_using_declaration : Warning<
   "use of multiple declarators in a single using declaration is "
-  "incompatible with C++ standards before C++1z">,
+  "incompatible with C++ standards before C++17">,
   InGroup<CXXPre1zCompat>, DefaultIgnore;
 def ext_using_declaration_pack : ExtWarn<
-  "pack expansion of using declaration is a C++1z extension">, InGroup<CXX1z>;
+  "pack expansion of using declaration is a C++17 extension">, InGroup<CXX17>;
 def warn_cxx1z_compat_using_declaration_pack : Warning<
   "pack expansion using declaration is incompatible with C++ standards "
-  "before C++1z">, InGroup<CXXPre1zCompat>, DefaultIgnore;
+  "before C++17">, InGroup<CXXPre1zCompat>, DefaultIgnore;
 
 // C++11 override control
 def ext_override_control_keyword : ExtWarn<
@@ -817,10 +817,10 @@ def err_expected_star_this_capture : Error<
 
 // C++1z constexpr lambda expressions
 def warn_cxx14_compat_constexpr_on_lambda : Warning<
-  "constexpr on lambda expressions is incompatible with C++ standards before C++1z">,
+  "constexpr on lambda expressions is incompatible with C++ standards before C++17">,
   InGroup<CXXPre1zCompat>, DefaultIgnore;
 def ext_constexpr_on_lambda_cxx1z : ExtWarn<
-  "'constexpr' on lambda expressions is a C++1z extension">, InGroup<CXX1z>;
+  "'constexpr' on lambda expressions is a C++17 extension">, InGroup<CXX17>;
 
 // Availability attribute
 def err_expected_version : Error<
diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td
index af14638e1d61..6456913a1549 100644
--- a/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/include/clang/Basic/DiagnosticSemaKinds.td
@@ -211,9 +211,9 @@ def warn_auto_storage_class : Warning<
 
 def warn_deprecated_register : Warning<
   "'register' storage class specifier is deprecated "
-  "and incompatible with C++1z">, InGroup<DeprecatedRegister>;
+  "and incompatible with C++17">, InGroup<DeprecatedRegister>;
 def ext_register_storage_class : ExtWarn<
-  "ISO C++1z does not allow 'register' storage class specifier">,
+  "ISO C++17 does not allow 'register' storage class specifier">,
   DefaultError, InGroup<Register>;
 
 def err_invalid_decl_spec_combination : Error<
@@ -391,9 +391,9 @@ def err_decomp_decl_context : Error<
   "decomposition declaration not permitted in this context">;
 def warn_cxx14_compat_decomp_decl : Warning<
   "decomposition declarations are incompatible with "
-  "C++ standards before C++1z">, DefaultIgnore, InGroup<CXXPre1zCompat>;
+  "C++ standards before C++17">, DefaultIgnore, InGroup<CXXPre1zCompat>;
 def ext_decomp_decl : ExtWarn<
-  "decomposition declarations are a C++1z extension">, InGroup<CXX1z>;
+  "decomposition declarations are a C++17 extension">, InGroup<CXX17>;
 def err_decomp_decl_spec : Error<
   "decomposition declaration cannot be declared "
   "%plural{1:'%1'|:with '%1' specifiers}0">;
@@ -494,7 +494,7 @@ def err_access_decl : Error<
   "ISO C++11 does not allow access declarations; "
   "use using declarations instead">;
 def ext_dynamic_exception_spec : ExtWarn<
-  "ISO C++1z does not allow dynamic exception specifications">,
+  "ISO C++17 does not allow dynamic exception specifications">,
   InGroup<DynamicExceptionSpec>, DefaultError;
 def warn_exception_spec_deprecated : Warning<
   "dynamic exception specifications are deprecated">,
@@ -507,7 +507,7 @@ def warn_deprecated_copy_operation : Warning<
   InGroup<Deprecated>, DefaultIgnore;
 def warn_cxx1z_compat_exception_spec_in_signature : Warning<
   "mangled name of %0 will change in C++17 due to non-throwing exception "
-  "specification in function signature">, InGroup<CXX1zCompatMangling>;
+  "specification in function signature">, InGroup<CXX17CompatMangling>;
 
 def warn_global_constructor : Warning<
   "declaration requires a global constructor">,
@@ -1200,15 +1200,15 @@ def err_static_assert_expression_is_not_constant : Error<
   "static_assert expression is not an integral constant expression">;
 def err_static_assert_failed : Error<"static_assert failed%select{ %1|}0">;
 def ext_static_assert_no_message : ExtWarn<
-  "static_assert with no message is a C++1z extension">, InGroup<CXX1z>;
+  "static_assert with no message is a C++17 extension">, InGroup<CXX17>;
 def warn_cxx14_compat_static_assert_no_message : Warning<
-  "static_assert with no message is incompatible with C++ standards before C++1z">,
+  "static_assert with no message is incompatible with C++ standards before C++17">,
   DefaultIgnore, InGroup<CXXPre1zCompat>;
 
 def ext_inline_variable : ExtWarn<
-  "inline variables are a C++1z extension">, InGroup<CXX1z>;
+  "inline variables are a C++17 extension">, InGroup<CXX17>;
 def warn_cxx14_compat_inline_variable : Warning<
-  "inline variables are incompatible with C++ standards before C++1z">,
+  "inline variables are incompatible with C++ standards before C++17">,
   DefaultIgnore, InGroup<CXXPre1zCompat>;
 
 def warn_inline_namespace_reopened_noninline : Warning<
@@ -1922,7 +1922,7 @@ def err_auto_not_allowed : Error<
   "|in non-static struct member|in struct member"
   "|in non-static union member|in union member"
   "|in non-static class member|in interface member"
-  "|in exception declaration|in template parameter until C++1z|in block literal"
+  "|in exception declaration|in template parameter until C++17|in block literal"
   "|in template argument|in typedef|in type alias|in function return type"
   "|in conversion function type|here|in lambda parameter"
   "|in type allocated by 'new'|in K&R-style function parameter"
@@ -2147,11 +2147,11 @@ def err_for_range_iter_deduction_failure : Error<
 def err_for_range_member_begin_end_mismatch : Error<
   "range type %0 has '%select{begin|end}1' member but no '%select{end|begin}1' member">;
 def ext_for_range_begin_end_types_differ : ExtWarn<
-  "'begin' and 'end' returning different types (%0 and %1) is a C++1z extension">,
-  InGroup<CXX1z>;
+  "'begin' and 'end' returning different types (%0 and %1) is a C++17 extension">,
+  InGroup<CXX17>;
 def warn_for_range_begin_end_types_differ : Warning<
   "'begin' and 'end' returning different types (%0 and %1) is incompatible "
-  "with C++ standards before C++1z">, InGroup<CXXPre1zCompat>, DefaultIgnore;
+  "with C++ standards before C++17">, InGroup<CXXPre1zCompat>, DefaultIgnore;
 def note_in_for_range: Note<
   "when looking up '%select{begin|end}0' function for range expression "
   "of type %1">;
@@ -3905,7 +3905,7 @@ def err_template_nontype_parm_bad_type : Error<
   "a non-type template parameter cannot have type %0">;
 def warn_cxx14_compat_template_nontype_parm_auto_type : Warning<
   "non-type template parameters declared with %0 are incompatible with C++ "
-  "standards before C++1z">,
+  "standards before C++17">,
   DefaultIgnore, InGroup<CXXPre1zCompat>;
 def err_template_param_default_arg_redefinition : Error<
   "template parameter redefines default argument">;
@@ -6337,9 +6337,9 @@ def note_member_first_declared_here : Note<
 def err_decrement_bool : Error<"cannot decrement expression of type bool">;
 def warn_increment_bool : Warning<
   "incrementing expression of type bool is deprecated and "
-  "incompatible with C++1z">, InGroup<DeprecatedIncrementBool>;
+  "incompatible with C++17">, InGroup<DeprecatedIncrementBool>;
 def ext_increment_bool : ExtWarn<
-  "ISO C++1z does not allow incrementing expression of type bool">,
+  "ISO C++17 does not allow incrementing expression of type bool">,
   DefaultError, InGroup<IncrementBool>;
 def err_increment_decrement_enum : Error<
   "cannot %select{decrement|increment}0 expression of enum type %1">;
@@ -6528,10 +6528,10 @@ let CategoryName = "Lambda Issue" in {
 
   // C++1z '*this' captures.
   def warn_cxx14_compat_star_this_lambda_capture : Warning<
-    "by value capture of '*this' is incompatible with C++ standards before C++1z">,
+    "by value capture of '*this' is incompatible with C++ standards before C++17">,
      InGroup<CXXPre1zCompat>, DefaultIgnore;
   def ext_star_this_lambda_capture_cxx1z : ExtWarn<
-    "capture of '*this' by copy is a C++1z extension">, InGroup<CXX1z>;
+    "capture of '*this' by copy is a C++17 extension">, InGroup<CXX17>;
 }
 
 def err_return_in_captured_stmt : Error<
@@ -7200,7 +7200,7 @@ def warn_unused_volatile : Warning<
 def ext_cxx14_attr : Extension<
   "use of the %0 attribute is a C++14 extension">, InGroup<CXX14>;
 def ext_cxx1z_attr : Extension<
-  "use of the %0 attribute is a C++1z extension">, InGroup<CXX1z>;
+  "use of the %0 attribute is a C++17 extension">, InGroup<CXX17>;
 
 def warn_unused_comparison : Warning<
   "%select{%select{|in}1equality|relational}0 comparison result unused">,
diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td
index 3c0674f598d1..753c178eec6a 100644
--- a/include/clang/Driver/Options.td
+++ b/include/clang/Driver/Options.td
@@ -2019,6 +2019,10 @@ def mdspr2 : Flag<["-"], "mdspr2">, Group<m_Group>;
 def mno_dspr2 : Flag<["-"], "mno-dspr2">, Group<m_Group>;
 def msingle_float : Flag<["-"], "msingle-float">, Group<m_Group>;
 def mdouble_float : Flag<["-"], "mdouble-float">, Group<m_Group>;
+def mmadd4 : Flag<["-"], "mmadd4">, Group<m_Group>,
+  HelpText<"Enable the generation of 4-operand madd.s, madd.d and related instructions.">;
+def mno_madd4 : Flag<["-"], "mno-madd4">, Group<m_Group>,
+  HelpText<"Disable the generation of 4-operand madd.s, madd.d and related instructions.">;
 def mmsa : Flag<["-"], "mmsa">, Group<m_Group>,
   HelpText<"Enable MSA ASE (MIPS only)">;
 def mno_msa : Flag<["-"], "mno-msa">, Group<m_Group>,
diff --git a/include/clang/Driver/ToolChain.h b/include/clang/Driver/ToolChain.h
index eb42f1260d92..6651491e5b27 100644
--- a/include/clang/Driver/ToolChain.h
+++ b/include/clang/Driver/ToolChain.h
@@ -315,7 +315,7 @@ public:
 
   /// IsUnwindTablesDefault - Does this tool chain use -funwind-tables
   /// by default.
-  virtual bool IsUnwindTablesDefault() const;
+  virtual bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const;
 
   /// \brief Test whether this toolchain defaults to PIC.
   virtual bool isPICDefault() const = 0;
diff --git a/include/clang/Frontend/LangStandards.def b/include/clang/Frontend/LangStandards.def
index 669e487023a5..a019d6392214 100644
--- a/include/clang/Frontend/LangStandards.def
+++ b/include/clang/Frontend/LangStandards.def
@@ -109,15 +109,17 @@ LANGSTANDARD(gnucxx14, "gnu++14",
              GNUMode)
 LANGSTANDARD_ALIAS_DEPR(gnucxx14, "gnu++1y")
 
-LANGSTANDARD(cxx1z, "c++1z",
-             CXX, "Working draft for ISO C++ 2017",
+LANGSTANDARD(cxx17, "c++17",
+             CXX, "ISO C++ 2017 with amendments",
              LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 | CPlusPlus1z |
              Digraphs | HexFloat)
+LANGSTANDARD_ALIAS_DEPR(cxx17, "c++1z")
 
-LANGSTANDARD(gnucxx1z, "gnu++1z",
-             CXX, "Working draft for ISO C++ 2017 with GNU extensions",
+LANGSTANDARD(gnucxx17, "gnu++17",
+             CXX, "ISO C++ 2017 with amendments and GNU extensions",
              LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 | CPlusPlus1z |
              Digraphs | HexFloat | GNUMode)
+LANGSTANDARD_ALIAS_DEPR(gnucxx17, "gnu++1z")
 
 LANGSTANDARD(cxx2a, "c++2a",
              CXX, "Working draft for ISO C++ 2020",
diff --git a/lib/AST/DeclCXX.cpp b/lib/AST/DeclCXX.cpp
index 5cab48882251..1caceab85eea 100644
--- a/lib/AST/DeclCXX.cpp
+++ b/lib/AST/DeclCXX.cpp
@@ -1837,9 +1837,10 @@ bool CXXMethodDecl::hasInlineBody() const {
   const FunctionDecl *CheckFn = getTemplateInstantiationPattern();
   if (!CheckFn)
     CheckFn = this;
-  
+
   const FunctionDecl *fn;
-  return CheckFn->hasBody(fn) && !fn->isOutOfLine();
+  return CheckFn->isDefined(fn) && !fn->isOutOfLine() &&
+         (fn->doesThisDeclarationHaveABody() || fn->willHaveBody());
 }
 
 bool CXXMethodDecl::isLambdaStaticInvoker() const {
diff --git a/lib/AST/ExprCXX.cpp b/lib/AST/ExprCXX.cpp
index 6713fca04571..fe45b5e47f36 100644
--- a/lib/AST/ExprCXX.cpp
+++ b/lib/AST/ExprCXX.cpp
@@ -1052,7 +1052,9 @@ CXXUnresolvedConstructExpr::CXXUnresolvedConstructExpr(TypeSourceInfo *Type,
           :Type->getType()->isRValueReferenceType()? VK_XValue
           :VK_RValue),
          OK_Ordinary,
-         Type->getType()->isDependentType(), true, true,
+         Type->getType()->isDependentType() ||
+             Type->getType()->getContainedDeducedType(),
+         true, true,
          Type->getType()->containsUnexpandedParameterPack()),
     Type(Type),
     LParenLoc(LParenLoc),
diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index 0c0c861e5d56..a26b608082f5 100644
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -9788,6 +9788,8 @@ public:
 
   bool Success(const APValue &V, const Expr *e) { return true; }
 
+  bool ZeroInitialization(const Expr *E) { return true; }
+
   bool VisitCastExpr(const CastExpr *E) {
     switch (E->getCastKind()) {
     default:
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 73be2e173fda..5d75aa5a7528 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -8050,6 +8050,7 @@ class MipsTargetInfo : public TargetInfo {
     NoDSP, DSP1, DSP2
   } DspRev;
   bool HasMSA;
+  bool DisableMadd4;
 
 protected:
   bool HasFP64;
@@ -8060,7 +8061,7 @@ public:
       : TargetInfo(Triple), IsMips16(false), IsMicromips(false),
         IsNan2008(false), IsSingleFloat(false), IsNoABICalls(false),
         CanUseBSDABICalls(false), FloatABI(HardFloat), DspRev(NoDSP),
-        HasMSA(false), HasFP64(false) {
+        HasMSA(false), DisableMadd4(false), HasFP64(false) {
     TheCXXABI.set(TargetCXXABI::GenericMIPS);
 
     setABI((getTriple().getArch() == llvm::Triple::mips ||
@@ -8306,6 +8307,9 @@ public:
     if (HasMSA)
       Builder.defineMacro("__mips_msa", Twine(1));
 
+    if (DisableMadd4)
+      Builder.defineMacro("__mips_no_madd4", Twine(1));
+
     Builder.defineMacro("_MIPS_SZPTR", Twine(getPointerWidth(0)));
     Builder.defineMacro("_MIPS_SZINT", Twine(getIntWidth()));
     Builder.defineMacro("_MIPS_SZLONG", Twine(getLongWidth()));
@@ -8468,6 +8472,8 @@ public:
         DspRev = std::max(DspRev, DSP2);
       else if (Feature == "+msa")
         HasMSA = true;
+      else if (Feature == "+nomadd4")
+        DisableMadd4 = true;
       else if (Feature == "+fp64")
         HasFP64 = true;
       else if (Feature == "-fp64")
diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp
index c17828974e92..eb230aad4d35 100644
--- a/lib/CodeGen/TargetInfo.cpp
+++ b/lib/CodeGen/TargetInfo.cpp
@@ -5573,17 +5573,14 @@ void ARMABIInfo::setCCs() {
   // AAPCS apparently requires runtime support functions to be soft-float, but
   // that's almost certainly for historic reasons (Thumb1 not supporting VFP
   // most likely). It's more convenient for AAPCS16_VFP to be hard-float.
-  switch (getABIKind()) {
-  case APCS:
-  case AAPCS16_VFP:
-    if (abiCC != getLLVMDefaultCC())
+
+  // The Run-time ABI for the ARM Architecture section 4.1.2 requires
+  // AEABI-complying FP helper functions to use the base AAPCS.
+  // These AEABI functions are expanded in the ARM llvm backend, all the builtin
+  // support functions emitted by clang such as the _Complex helpers follow the
+  // abiCC.
+  if (abiCC != getLLVMDefaultCC())
       BuiltinCC = abiCC;
-    break;
-  case AAPCS:
-  case AAPCS_VFP:
-    BuiltinCC = llvm::CallingConv::ARM_AAPCS;
-    break;
-  }
 }
 
 ABIArgInfo ARMABIInfo::classifyArgumentType(QualType Ty,
@@ -6754,14 +6751,6 @@ MipsABIInfo::classifyArgumentType(QualType Ty, uint64_t &Offset) const {
       return getNaturalAlignIndirect(Ty, RAA == CGCXXABI::RAA_DirectInMemory);
     }
 
-    // Use indirect if the aggregate cannot fit into registers for
-    // passing arguments according to the ABI
-    unsigned Threshold = IsO32 ? 16 : 64;
-
-    if(getContext().getTypeSizeInChars(Ty) > CharUnits::fromQuantity(Threshold))
-      return ABIArgInfo::getIndirect(CharUnits::fromQuantity(Align), true,
-                                     getContext().getTypeAlign(Ty) / 8 > Align);
-
     // If we have reached here, aggregates are passed directly by coercing to
     // another structure type. Padding is inserted if the offset of the
     // aggregate is unaligned.
diff --git a/lib/Driver/ToolChain.cpp b/lib/Driver/ToolChain.cpp
index 2be7f0f69004..9a858df8ab2d 100644
--- a/lib/Driver/ToolChain.cpp
+++ b/lib/Driver/ToolChain.cpp
@@ -217,7 +217,7 @@ StringRef ToolChain::getDefaultUniversalArchName() const {
   }
 }
 
-bool ToolChain::IsUnwindTablesDefault() const {
+bool ToolChain::IsUnwindTablesDefault(const ArgList &Args) const {
   return false;
 }
 
diff --git a/lib/Driver/ToolChains/Arch/Mips.cpp b/lib/Driver/ToolChains/Arch/Mips.cpp
index 1da90d1dc7ba..b45dcd6db678 100644
--- a/lib/Driver/ToolChains/Arch/Mips.cpp
+++ b/lib/Driver/ToolChains/Arch/Mips.cpp
@@ -297,6 +297,8 @@ void mips::getMIPSTargetFeatures(const Driver &D, const llvm::Triple &Triple,
 
   AddTargetFeature(Args, Features, options::OPT_mno_odd_spreg,
                    options::OPT_modd_spreg, "nooddspreg");
+  AddTargetFeature(Args, Features, options::OPT_mno_madd4, options::OPT_mmadd4,
+                   "nomadd4");
   AddTargetFeature(Args, Features, options::OPT_mlong_calls,
                    options::OPT_mno_long_calls, "long-calls");
   AddTargetFeature(Args, Features, options::OPT_mmt, options::OPT_mno_mt,"mt");
diff --git a/lib/Driver/ToolChains/Clang.cpp b/lib/Driver/ToolChains/Clang.cpp
index b82cc2d4fa5d..baf7a93d2d92 100644
--- a/lib/Driver/ToolChains/Clang.cpp
+++ b/lib/Driver/ToolChains/Clang.cpp
@@ -2538,7 +2538,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
   bool AsynchronousUnwindTables =
       Args.hasFlag(options::OPT_fasynchronous_unwind_tables,
                    options::OPT_fno_asynchronous_unwind_tables,
-                   (getToolChain().IsUnwindTablesDefault() ||
+                   (getToolChain().IsUnwindTablesDefault(Args) ||
                     getToolChain().getSanitizerArgs().needsUnwindTables()) &&
                        !KernelOrKext);
   if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables,
diff --git a/lib/Driver/ToolChains/CrossWindows.cpp b/lib/Driver/ToolChains/CrossWindows.cpp
index 7d0c438b1360..04b71c48cd4c 100644
--- a/lib/Driver/ToolChains/CrossWindows.cpp
+++ b/lib/Driver/ToolChains/CrossWindows.cpp
@@ -214,7 +214,7 @@ CrossWindowsToolChain::CrossWindowsToolChain(const Driver &D,
   }
 }
 
-bool CrossWindowsToolChain::IsUnwindTablesDefault() const {
+bool CrossWindowsToolChain::IsUnwindTablesDefault(const ArgList &Args) const {
   // FIXME: all non-x86 targets need unwind tables, however, LLVM currently does
   // not know how to emit them.
   return getArch() == llvm::Triple::x86_64;
diff --git a/lib/Driver/ToolChains/CrossWindows.h b/lib/Driver/ToolChains/CrossWindows.h
index 5375a6324a3f..2f66446ec732 100644
--- a/lib/Driver/ToolChains/CrossWindows.h
+++ b/lib/Driver/ToolChains/CrossWindows.h
@@ -56,7 +56,7 @@ public:
                         const llvm::opt::ArgList &Args);
 
   bool IsIntegratedAssemblerDefault() const override { return true; }
-  bool IsUnwindTablesDefault() const override;
+  bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const override;
   bool isPICDefault() const override;
   bool isPIEDefault() const override;
   bool isPICDefaultForced() const override;
diff --git a/lib/Driver/ToolChains/Darwin.cpp b/lib/Driver/ToolChains/Darwin.cpp
index 0d63858f2cd4..6b7f0c71dfb7 100644
--- a/lib/Driver/ToolChains/Darwin.cpp
+++ b/lib/Driver/ToolChains/Darwin.cpp
@@ -1174,13 +1174,12 @@ void Darwin::AddDeploymentTarget(DerivedArgList &Args) const {
   unsigned Major, Minor, Micro;
   bool HadExtra;
 
-  // iOS 10 is the maximum deployment target for 32-bit targets.
-  if (iOSVersion && getTriple().isArch32Bit() &&
-      Driver::GetReleaseVersion(iOSVersion->getValue(), Major, Minor, Micro,
-                                HadExtra) &&
-      Major > 10)
-    getDriver().Diag(diag::err_invalid_ios_deployment_target)
-        << iOSVersion->getAsString(Args);
+  // The iOS deployment target that is explicitly specified via a command line
+  // option or an environment variable.
+  std::string ExplicitIOSDeploymentTargetStr;
+
+  if (iOSVersion)
+    ExplicitIOSDeploymentTargetStr = iOSVersion->getAsString(Args);
 
   // Add a macro to differentiate between m(iphone|tv|watch)os-version-min=X.Y and
   // -m(iphone|tv|watch)simulator-version-min=X.Y.
@@ -1223,13 +1222,9 @@ void Darwin::AddDeploymentTarget(DerivedArgList &Args) const {
     if (char *env = ::getenv("WATCHOS_DEPLOYMENT_TARGET"))
       WatchOSTarget = env;
 
-    // iOS 10 is the maximum deployment target for 32-bit targets.
-    if (!iOSTarget.empty() && getTriple().isArch32Bit() &&
-        Driver::GetReleaseVersion(iOSTarget.c_str(), Major, Minor, Micro,
-                                  HadExtra) &&
-        Major > 10)
-      getDriver().Diag(diag::err_invalid_ios_deployment_target)
-          << std::string("IPHONEOS_DEPLOYMENT_TARGET=") + iOSTarget;
+    if (!iOSTarget.empty())
+      ExplicitIOSDeploymentTargetStr =
+          std::string("IPHONEOS_DEPLOYMENT_TARGET=") + iOSTarget;
 
     // If there is no command-line argument to specify the Target version and
     // no environment variable defined, see if we can set the default based
@@ -1393,12 +1388,19 @@ void Darwin::AddDeploymentTarget(DerivedArgList &Args) const {
         HadExtra || Major >= 100 || Minor >= 100 || Micro >= 100)
       getDriver().Diag(diag::err_drv_invalid_version_number)
           << iOSVersion->getAsString(Args);
-    // iOS 10 is the maximum deployment target for 32-bit targets. If the
-    // inferred deployment target is iOS 11 or later, set it to 10.99.
+    // For 32-bit targets, the deployment target for iOS has to be earlier than
+    // iOS 11.
     if (getTriple().isArch32Bit() && Major >= 11) {
-      Major = 10;
-      Minor = 99;
-      Micro = 99;
+      // If the deployment target is explicitly specified, print a diagnostic.
+      if (!ExplicitIOSDeploymentTargetStr.empty()) {
+        getDriver().Diag(diag::warn_invalid_ios_deployment_target)
+            << ExplicitIOSDeploymentTargetStr;
+      // Otherwise, set it to 10.99.99.
+      } else {
+        Major = 10;
+        Minor = 99;
+        Micro = 99;
+      }
     }
   } else if (Platform == TvOS) {
     if (!Driver::GetReleaseVersion(TvOSVersion->getValue(), Major, Minor,
@@ -1834,8 +1836,8 @@ Darwin::TranslateArgs(const DerivedArgList &Args, StringRef BoundArch,
   return DAL;
 }
 
-bool MachO::IsUnwindTablesDefault() const {
-  return getArch() == llvm::Triple::x86_64;
+bool MachO::IsUnwindTablesDefault(const ArgList &Args) const {
+  return !UseSjLjExceptions(Args);
 }
 
 bool MachO::UseDwarfDebugFlags() const {
diff --git a/lib/Driver/ToolChains/Darwin.h b/lib/Driver/ToolChains/Darwin.h
index 6cb1d04b78c0..77c569e8f865 100644
--- a/lib/Driver/ToolChains/Darwin.h
+++ b/lib/Driver/ToolChains/Darwin.h
@@ -216,7 +216,7 @@ public:
 
   bool UseObjCMixedDispatch() const override { return true; }
 
-  bool IsUnwindTablesDefault() const override;
+  bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const override;
 
   RuntimeLibType GetDefaultRuntimeLibType() const override {
     return ToolChain::RLT_CompilerRT;
diff --git a/lib/Driver/ToolChains/Gnu.cpp b/lib/Driver/ToolChains/Gnu.cpp
index bc26ee1de46d..72a9f85ba389 100644
--- a/lib/Driver/ToolChains/Gnu.cpp
+++ b/lib/Driver/ToolChains/Gnu.cpp
@@ -2291,7 +2291,7 @@ void Generic_GCC::printVerboseInfo(raw_ostream &OS) const {
   CudaInstallation.print(OS);
 }
 
-bool Generic_GCC::IsUnwindTablesDefault() const {
+bool Generic_GCC::IsUnwindTablesDefault(const ArgList &Args) const {
   return getArch() == llvm::Triple::x86_64;
 }
 
diff --git a/lib/Driver/ToolChains/Gnu.h b/lib/Driver/ToolChains/Gnu.h
index cdf610054401..f29342b95a07 100644
--- a/lib/Driver/ToolChains/Gnu.h
+++ b/lib/Driver/ToolChains/Gnu.h
@@ -284,7 +284,7 @@ public:
 
   void printVerboseInfo(raw_ostream &OS) const override;
 
-  bool IsUnwindTablesDefault() const override;
+  bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const override;
   bool isPICDefault() const override;
   bool isPIEDefault() const override;
   bool isPICDefaultForced() const override;
diff --git a/lib/Driver/ToolChains/MSVC.cpp b/lib/Driver/ToolChains/MSVC.cpp
index 9e9d943610be..b871c856d2a0 100644
--- a/lib/Driver/ToolChains/MSVC.cpp
+++ b/lib/Driver/ToolChains/MSVC.cpp
@@ -699,7 +699,7 @@ bool MSVCToolChain::IsIntegratedAssemblerDefault() const {
   return true;
 }
 
-bool MSVCToolChain::IsUnwindTablesDefault() const {
+bool MSVCToolChain::IsUnwindTablesDefault(const ArgList &Args) const {
   // Emit unwind tables by default on Win64. All non-x86_32 Windows platforms
   // such as ARM and PPC actually require unwind tables, but LLVM doesn't know
   // how to generate them yet.
diff --git a/lib/Driver/ToolChains/MSVC.h b/lib/Driver/ToolChains/MSVC.h
index 055830c52e0d..d153691a5c90 100644
--- a/lib/Driver/ToolChains/MSVC.h
+++ b/lib/Driver/ToolChains/MSVC.h
@@ -73,7 +73,7 @@ public:
                 Action::OffloadKind DeviceOffloadKind) const override;
 
   bool IsIntegratedAssemblerDefault() const override;
-  bool IsUnwindTablesDefault() const override;
+  bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const override;
   bool isPICDefault() const override;
   bool isPIEDefault() const override;
   bool isPICDefaultForced() const override;
diff --git a/lib/Driver/ToolChains/MinGW.cpp b/lib/Driver/ToolChains/MinGW.cpp
index 7550bab486f1..632b76d92bdd 100644
--- a/lib/Driver/ToolChains/MinGW.cpp
+++ b/lib/Driver/ToolChains/MinGW.cpp
@@ -347,7 +347,7 @@ Tool *toolchains::MinGW::buildLinker() const {
   return new tools::MinGW::Linker(*this);
 }
 
-bool toolchains::MinGW::IsUnwindTablesDefault() const {
+bool toolchains::MinGW::IsUnwindTablesDefault(const ArgList &Args) const {
   return getArch() == llvm::Triple::x86_64;
 }
 
diff --git a/lib/Driver/ToolChains/MinGW.h b/lib/Driver/ToolChains/MinGW.h
index cf1628a4ccdd..9b3d7c553f1d 100644
--- a/lib/Driver/ToolChains/MinGW.h
+++ b/lib/Driver/ToolChains/MinGW.h
@@ -60,7 +60,7 @@ public:
         const llvm::opt::ArgList &Args);
 
   bool IsIntegratedAssemblerDefault() const override;
-  bool IsUnwindTablesDefault() const override;
+  bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const override;
   bool isPICDefault() const override;
   bool isPIEDefault() const override;
   bool isPICDefaultForced() const override;
diff --git a/lib/Driver/ToolChains/NetBSD.h b/lib/Driver/ToolChains/NetBSD.h
index 412d0815e81a..5163ff72d81b 100644
--- a/lib/Driver/ToolChains/NetBSD.h
+++ b/lib/Driver/ToolChains/NetBSD.h
@@ -65,7 +65,10 @@ public:
       const llvm::opt::ArgList &DriverArgs,
       llvm::opt::ArgStringList &CC1Args) const override;
 
-  bool IsUnwindTablesDefault() const override { return true; }
+  bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const override {
+    return true;
+  }
+
   SanitizerMask getSupportedSanitizers() const override;
 
 protected:
diff --git a/lib/Frontend/InitPreprocessor.cpp b/lib/Frontend/InitPreprocessor.cpp
index 64128dfdf534..92d61369b40f 100644
--- a/lib/Frontend/InitPreprocessor.cpp
+++ b/lib/Frontend/InitPreprocessor.cpp
@@ -497,6 +497,8 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts,
     Builder.defineMacro("__cpp_ref_qualifiers", "200710");
     Builder.defineMacro("__cpp_alias_templates", "200704");
   }
+  if (LangOpts.ThreadsafeStatics)
+    Builder.defineMacro("__cpp_threadsafe_static_init", "200806");
 
   // C++14 features.
   if (LangOpts.CPlusPlus14) {
@@ -519,6 +521,7 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts,
     Builder.defineMacro("__cpp_noexcept_function_type", "201510");
     Builder.defineMacro("__cpp_capture_star_this", "201603");
     Builder.defineMacro("__cpp_if_constexpr", "201606");
+    Builder.defineMacro("__cpp_deduction_guides", "201611");
     Builder.defineMacro("__cpp_template_auto", "201606");
     Builder.defineMacro("__cpp_namespace_attributes", "201411");
     Builder.defineMacro("__cpp_enumerator_attributes", "201411");
@@ -528,8 +531,6 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts,
     Builder.defineMacro("__cpp_structured_bindings", "201606");
     Builder.defineMacro("__cpp_nontype_template_args", "201411");
     Builder.defineMacro("__cpp_fold_expressions", "201603");
-    // FIXME: This is not yet listed in SD-6.
-    Builder.defineMacro("__cpp_deduction_guides", "201611");
   }
   if (LangOpts.AlignedAllocation)
     Builder.defineMacro("__cpp_aligned_new", "201606");
diff --git a/lib/Parse/ParseCXXInlineMethods.cpp b/lib/Parse/ParseCXXInlineMethods.cpp
index b68559485a5e..27651c9ca85c 100644
--- a/lib/Parse/ParseCXXInlineMethods.cpp
+++ b/lib/Parse/ParseCXXInlineMethods.cpp
@@ -166,20 +166,11 @@ NamedDecl *Parser::ParseCXXInlineMethodDef(AccessSpecifier AS,
   }
 
   if (FnD) {
-    // If this is a friend function, mark that it's late-parsed so that
-    // it's still known to be a definition even before we attach the
-    // parsed body.  Sema needs to treat friend function definitions
-    // differently during template instantiation, and it's possible for
-    // the containing class to be instantiated before all its member
-    // function definitions are parsed.
-    //
-    // If you remove this, you can remove the code that clears the flag
-    // after parsing the member.
-    if (D.getDeclSpec().isFriendSpecified()) {
-      FunctionDecl *FD = FnD->getAsFunction();
-      Actions.CheckForFunctionRedefinition(FD);
-      FD->setLateTemplateParsed(true);
-    }
+    FunctionDecl *FD = FnD->getAsFunction();
+    // Track that this function will eventually have a body; Sema needs
+    // to know this.
+    Actions.CheckForFunctionRedefinition(FD);
+    FD->setWillHaveBody(true);
   } else {
     // If semantic analysis could not build a function declaration,
     // just throw away the late-parsed declaration.
@@ -558,10 +549,6 @@ void Parser::ParseLexedMethodDef(LexedMethod &LM) {
 
   ParseFunctionStatementBody(LM.D, FnScope);
 
-  // Clear the late-template-parsed bit if we set it before.
-  if (LM.D)
-    LM.D->getAsFunction()->setLateTemplateParsed(false);
-
   while (Tok.isNot(tok::eof))
     ConsumeAnyToken();
 
diff --git a/lib/Sema/SemaCast.cpp b/lib/Sema/SemaCast.cpp
index ba2049d8a606..d603101c3fd9 100644
--- a/lib/Sema/SemaCast.cpp
+++ b/lib/Sema/SemaCast.cpp
@@ -552,7 +552,14 @@ CastsAwayConstness(Sema &Self, QualType SrcType, QualType DestType,
     Qualifiers SrcQuals, DestQuals;
     Self.Context.getUnqualifiedArrayType(UnwrappedSrcType, SrcQuals);
     Self.Context.getUnqualifiedArrayType(UnwrappedDestType, DestQuals);
-    
+
+    // We do not meaningfully track object const-ness of Objective-C object
+    // types. Remove const from the source type if either the source or
+    // the destination is an Objective-C object type.
+    if (UnwrappedSrcType->isObjCObjectType() ||
+        UnwrappedDestType->isObjCObjectType())
+      SrcQuals.removeConst();
+
     Qualifiers RetainedSrcQuals, RetainedDestQuals;
     if (CheckCVR) {
       RetainedSrcQuals.setCVRQualifiers(SrcQuals.getCVRQualifiers());
diff --git a/lib/Sema/SemaCodeComplete.cpp b/lib/Sema/SemaCodeComplete.cpp
index 91a8c619b26c..4de7d422072d 100644
--- a/lib/Sema/SemaCodeComplete.cpp
+++ b/lib/Sema/SemaCodeComplete.cpp
@@ -2401,10 +2401,7 @@ formatBlockPlaceholder(const PrintingPolicy &Policy, const NamedDecl *BlockDecl,
 static std::string GetDefaultValueString(const ParmVarDecl *Param,
                                          const SourceManager &SM,
                                          const LangOptions &LangOpts) {
-  const Expr *defaultArg = Param->getDefaultArg();
-  if (!defaultArg)
-    return "";
-  const SourceRange SrcRange = defaultArg->getSourceRange();
+  const SourceRange SrcRange = Param->getDefaultArgRange();
   CharSourceRange CharSrcRange = CharSourceRange::getTokenRange(SrcRange);
   bool Invalid = CharSrcRange.isInvalid();
   if (Invalid)
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 31b24f91c1d9..692a77e2b62f 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -6999,6 +6999,21 @@ void Sema::CheckShadow(NamedDecl *D, NamedDecl *ShadowedDecl,
           return;
         }
       }
+
+      if (cast<VarDecl>(ShadowedDecl)->hasLocalStorage()) {
+        // A variable can't shadow a local variable in an enclosing scope, if
+        // they are separated by a non-capturing declaration context.
+        for (DeclContext *ParentDC = NewDC;
+             ParentDC && !ParentDC->Equals(OldDC);
+             ParentDC = getLambdaAwareParentOfDeclContext(ParentDC)) {
+          // Only block literals, captured statements, and lambda expressions
+          // can capture; other scopes don't.
+          if (!isa<BlockDecl>(ParentDC) && !isa<CapturedDecl>(ParentDC) &&
+              !isLambdaCallOperator(ParentDC)) {
+            return;
+          }
+        }
+      }
     }
   }
 
@@ -12075,8 +12090,9 @@ Decl *Sema::ActOnStartOfFunctionDef(Scope *FnBodyScope, Decl *D,
     FD->setInvalidDecl();
   }
 
-  // See if this is a redefinition.
-  if (!FD->isLateTemplateParsed()) {
+  // See if this is a redefinition. If 'will have body' is already set, then
+  // these checks were already performed when it was set.
+  if (!FD->willHaveBody() && !FD->isLateTemplateParsed()) {
     CheckForFunctionRedefinition(FD, nullptr, SkipBody);
 
     // If we're skipping the body, we're done. Don't enter the scope.
@@ -13278,6 +13294,7 @@ Decl *Sema::ActOnTag(Scope *S, unsigned TagSpec, TagUseKind TUK,
         AddMsStructLayoutForRecord(RD);
       }
     }
+    New->setLexicalDeclContext(CurContext);
     return New;
   };
 
diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index abe912fb548b..6fee23aa8bc1 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -3771,6 +3771,8 @@ void Sema::InstantiateFunctionDefinition(SourceLocation PointOfInstantiation,
   if (PatternDef) {
     Pattern = PatternDef->getBody(PatternDef);
     PatternDecl = PatternDef;
+    if (PatternDef->willHaveBody())
+      PatternDef = nullptr;
   }
 
   // FIXME: We need to track the instantiation stack in order to know which
diff --git a/test/CXX/dcl.dcl/dcl.attr/dcl.attr.nodiscard/p2.cpp b/test/CXX/dcl.dcl/dcl.attr/dcl.attr.nodiscard/p2.cpp
index 3d4b92518810..072f5e74aabb 100644
--- a/test/CXX/dcl.dcl/dcl.attr/dcl.attr.nodiscard/p2.cpp
+++ b/test/CXX/dcl.dcl/dcl.attr/dcl.attr.nodiscard/p2.cpp
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -fsyntax-only -std=c++1z -verify -Wc++1z-extensions %s
-// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify -DEXT -Wc++1z-extensions %s
+// RUN: %clang_cc1 -fsyntax-only -std=c++17 -verify -Wc++17-extensions %s
+// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify -DEXT -Wc++17-extensions %s
 
 struct [[nodiscard]] S {};
 S get_s();
@@ -23,7 +23,7 @@ void f() {
 }
 
 #ifdef EXT
-// expected-warning@4 {{use of the 'nodiscard' attribute is a C++1z extension}}
-// expected-warning@8 {{use of the 'nodiscard' attribute is a C++1z extension}}
-// expected-warning@11 {{use of the 'nodiscard' attribute is a C++1z extension}}
+// expected-warning@4 {{use of the 'nodiscard' attribute is a C++17 extension}}
+// expected-warning@8 {{use of the 'nodiscard' attribute is a C++17 extension}}
+// expected-warning@11 {{use of the 'nodiscard' attribute is a C++17 extension}}
 #endif
diff --git a/test/CXX/dcl.dcl/dcl.attr/dcl.attr.unused/p3.cpp b/test/CXX/dcl.dcl/dcl.attr/dcl.attr.unused/p3.cpp
index a627d8331a74..551df38a8100 100644
--- a/test/CXX/dcl.dcl/dcl.attr/dcl.attr.unused/p3.cpp
+++ b/test/CXX/dcl.dcl/dcl.attr/dcl.attr.unused/p3.cpp
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -fsyntax-only -Wunused -Wused-but-marked-unused -std=c++1z -Wc++1z-extensions -verify %s
-// RUN: %clang_cc1 -fsyntax-only -Wunused -Wused-but-marked-unused -std=c++11 -Wc++1z-extensions -verify -DEXT %s
+// RUN: %clang_cc1 -fsyntax-only -Wunused -Wused-but-marked-unused -std=c++17 -Wc++17-extensions -verify %s
+// RUN: %clang_cc1 -fsyntax-only -Wunused -Wused-but-marked-unused -std=c++11 -Wc++17-extensions -verify -DEXT %s
 
 static_assert(__has_cpp_attribute(maybe_unused) == 201603, "");
 
@@ -20,7 +20,7 @@ void f() {
 }
 
 #ifdef EXT
-// expected-warning@6 {{use of the 'maybe_unused' attribute is a C++1z extension}}
-// expected-warning@13 {{use of the 'maybe_unused' attribute is a C++1z extension}}
-// expected-warning@14 {{use of the 'maybe_unused' attribute is a C++1z extension}}
+// expected-warning@6 {{use of the 'maybe_unused' attribute is a C++17 extension}}
+// expected-warning@13 {{use of the 'maybe_unused' attribute is a C++17 extension}}
+// expected-warning@14 {{use of the 'maybe_unused' attribute is a C++17 extension}}
 #endif
diff --git a/test/CXX/drs/dr0xx.cpp b/test/CXX/drs/dr0xx.cpp
index 055f40f98f66..fbca6635ec18 100644
--- a/test/CXX/drs/dr0xx.cpp
+++ b/test/CXX/drs/dr0xx.cpp
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -std=c++98 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors -Wno-bind-to-temporary-copy
 // RUN: %clang_cc1 -std=c++11 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors -triple %itanium_abi_triple
 // RUN: %clang_cc1 -std=c++14 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors -triple %itanium_abi_triple
-// RUN: %clang_cc1 -std=c++1z %s -verify -fexceptions -fcxx-exceptions -pedantic-errors -triple %itanium_abi_triple
+// RUN: %clang_cc1 -std=c++17 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors -triple %itanium_abi_triple
 
 namespace dr1 { // dr1: no
   namespace X { extern "C" void dr1_f(int a = 1); }
@@ -276,9 +276,9 @@ namespace dr23 { // dr23: yes
 
 namespace dr25 { // dr25: yes
   struct A {
-    void f() throw(int); // expected-error 0-1{{ISO C++1z does not allow}} expected-note 0-1{{use 'noexcept}}
+    void f() throw(int); // expected-error 0-1{{ISO C++17 does not allow}} expected-note 0-1{{use 'noexcept}}
   };
-  void (A::*f)() throw (int); // expected-error 0-1{{ISO C++1z does not allow}} expected-note 0-1{{use 'noexcept}}
+  void (A::*f)() throw (int); // expected-error 0-1{{ISO C++17 does not allow}} expected-note 0-1{{use 'noexcept}}
   void (A::*g)() throw () = f;
 #if __cplusplus <= 201402L
   // expected-error@-2 {{is not superset of source}}
@@ -286,7 +286,7 @@ namespace dr25 { // dr25: yes
   // expected-error@-4 {{different exception specifications}}
 #endif
   void (A::*g2)() throw () = 0;
-  void (A::*h)() throw (int, char) = f; // expected-error 0-1{{ISO C++1z does not allow}} expected-note 0-1{{use 'noexcept}}
+  void (A::*h)() throw (int, char) = f; // expected-error 0-1{{ISO C++17 does not allow}} expected-note 0-1{{use 'noexcept}}
   void (A::*i)() throw () = &A::f;
 #if __cplusplus <= 201402L
   // expected-error@-2 {{is not superset of source}}
@@ -294,7 +294,7 @@ namespace dr25 { // dr25: yes
   // expected-error@-4 {{different exception specifications}}
 #endif
   void (A::*i2)() throw () = 0;
-  void (A::*j)() throw (int, char) = &A::f; // expected-error 0-1{{ISO C++1z does not allow}} expected-note 0-1{{use 'noexcept}}
+  void (A::*j)() throw (int, char) = &A::f; // expected-error 0-1{{ISO C++17 does not allow}} expected-note 0-1{{use 'noexcept}}
   void x() {
     g2 = f;
 #if __cplusplus <= 201402L
@@ -941,7 +941,7 @@ namespace dr84 { // dr84: yes
   };
   A a;
   // Cannot use B(C) / operator C() pair to construct the B from the B temporary
-  // here. In C++1z, we initialize the B object directly using 'A::operator B()'.
+  // here. In C++17, we initialize the B object directly using 'A::operator B()'.
   B b = a;
 #if __cplusplus <= 201402L
   // expected-error@-2 {{no viable}}
@@ -1033,14 +1033,14 @@ namespace dr91 { // dr91: yes
 }
 
 namespace dr92 { // dr92: 4 c++17
-  void f() throw(int, float); // expected-error 0-1{{ISO C++1z does not allow}} expected-note 0-1{{use 'noexcept}}
-  void (*p)() throw(int) = &f; // expected-error 0-1{{ISO C++1z does not allow}} expected-note 0-1{{use 'noexcept}}
+  void f() throw(int, float); // expected-error 0-1{{ISO C++17 does not allow}} expected-note 0-1{{use 'noexcept}}
+  void (*p)() throw(int) = &f; // expected-error 0-1{{ISO C++17 does not allow}} expected-note 0-1{{use 'noexcept}}
 #if __cplusplus <= 201402L
   // expected-error@-2 {{target exception specification is not superset of source}}
 #else
   // expected-warning@-4 {{target exception specification is not superset of source}}
 #endif
-  void (*q)() throw(int); // expected-error 0-1{{ISO C++1z does not allow}} expected-note 0-1{{use 'noexcept}}
+  void (*q)() throw(int); // expected-error 0-1{{ISO C++17 does not allow}} expected-note 0-1{{use 'noexcept}}
   void (**pp)() throw() = &q;
 #if __cplusplus <= 201402L
   // expected-error@-2 {{exception specifications are not allowed}}
@@ -1064,7 +1064,7 @@ namespace dr92 { // dr92: 4 c++17
   // expected-error@-2 {{not implicitly convertible}}
 #endif
 
-  template<void() throw(int)> struct Y {}; // expected-error 0-1{{ISO C++1z does not allow}} expected-note 0-1{{use 'noexcept}}
+  template<void() throw(int)> struct Y {}; // expected-error 0-1{{ISO C++17 does not allow}} expected-note 0-1{{use 'noexcept}}
   Y<&h> yp; // ok
 }
 
diff --git a/test/CXX/drs/dr13xx.cpp b/test/CXX/drs/dr13xx.cpp
index 64ba3be2a618..f193c8e024fb 100644
--- a/test/CXX/drs/dr13xx.cpp
+++ b/test/CXX/drs/dr13xx.cpp
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -std=c++98 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 // RUN: %clang_cc1 -std=c++11 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 // RUN: %clang_cc1 -std=c++14 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
-// RUN: %clang_cc1 -std=c++1z %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
+// RUN: %clang_cc1 -std=c++17 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 
 __extension__ typedef __SIZE_TYPE__ size_t;
 
@@ -124,7 +124,7 @@ namespace dr1315 { // dr1315: partial
 namespace dr1330 { // dr1330: 4 c++11
   // exception-specifications are parsed in a context where the class is complete.
   struct A {
-    void f() throw(T) {} // expected-error 0-1{{C++1z}} expected-note 0-1{{noexcept}}
+    void f() throw(T) {} // expected-error 0-1{{C++17}} expected-note 0-1{{noexcept}}
     struct T {};
 
 #if __cplusplus >= 201103L
@@ -134,7 +134,7 @@ namespace dr1330 { // dr1330: 4 c++11
 #endif
   };
 
-  void (A::*af1)() throw(A::T) = &A::f; // expected-error 0-1{{C++1z}} expected-note 0-1{{noexcept}}
+  void (A::*af1)() throw(A::T) = &A::f; // expected-error 0-1{{C++17}} expected-note 0-1{{noexcept}}
   void (A::*af2)() throw() = &A::f; // expected-error-re {{{{not superset|different exception spec}}}}
 
 #if __cplusplus >= 201103L
@@ -144,7 +144,7 @@ namespace dr1330 { // dr1330: 4 c++11
   // Likewise, they're instantiated separately from an enclosing class template.
   template<typename U>
   struct B {
-    void f() throw(T, typename U::type) {} // expected-error 0-1{{C++1z}} expected-note 0-1{{noexcept}}
+    void f() throw(T, typename U::type) {} // expected-error 0-1{{C++17}} expected-note 0-1{{noexcept}}
     struct T {};
 
 #if __cplusplus >= 201103L
@@ -161,7 +161,7 @@ namespace dr1330 { // dr1330: 4 c++11
     static const int value = true;
   };
 
-  void (B<P>::*bpf1)() throw(B<P>::T, int) = &B<P>::f; // expected-error 0-1{{C++1z}} expected-note 0-1{{noexcept}}
+  void (B<P>::*bpf1)() throw(B<P>::T, int) = &B<P>::f; // expected-error 0-1{{C++17}} expected-note 0-1{{noexcept}}
 #if __cplusplus < 201103L
   // expected-error@-2 {{not superset}}
   // FIXME: We only delay instantiation in C++11 onwards. In C++98, something
@@ -172,7 +172,7 @@ namespace dr1330 { // dr1330: 4 c++11
   // the "T has not yet been instantiated" error here, rather than giving
   // confusing errors later on.
 #endif
-  void (B<P>::*bpf2)() throw(int) = &B<P>::f; // expected-error 0-1{{C++1z}} expected-note 0-1{{noexcept}}
+  void (B<P>::*bpf2)() throw(int) = &B<P>::f; // expected-error 0-1{{C++17}} expected-note 0-1{{noexcept}}
 #if __cplusplus <= 201402L
   // expected-error@-2 {{not superset}}
 #else
@@ -194,7 +194,7 @@ namespace dr1330 { // dr1330: 4 c++11
 
   template<typename T> int f() throw(typename T::error) { return 0; } // expected-error 1-4{{prior to '::'}} expected-note 0-1{{prior to '::'}} expected-note 0-1{{requested here}}
 #if __cplusplus > 201402L
-    // expected-error@-2 0-1{{C++1z}} expected-note@-2 0-1{{noexcept}}
+    // expected-error@-2 0-1{{C++17}} expected-note@-2 0-1{{noexcept}}
 #endif
   // An exception-specification is needed even if the function is only used in
   // an unevaluated operand.
@@ -203,7 +203,7 @@ namespace dr1330 { // dr1330: 4 c++11
   decltype(f<char>()) f2; // expected-note {{instantiation of}}
   bool f3 = noexcept(f<float>()); // expected-note {{instantiation of}}
 #endif
-  // In C++1z onwards, substituting explicit template arguments into the
+  // In C++17 onwards, substituting explicit template arguments into the
   // function type substitutes into the exception specification (because it's
   // part of the type). In earlier languages, we don't notice there's a problem
   // until we've already started to instantiate.
@@ -217,7 +217,7 @@ namespace dr1330 { // dr1330: 4 c++11
   template<typename T> struct C {
     C() throw(typename T::type); // expected-error 1-2{{prior to '::'}}
 #if __cplusplus > 201402L
-    // expected-error@-2 0-1{{C++1z}} expected-note@-2 0-1{{noexcept}}
+    // expected-error@-2 0-1{{C++17}} expected-note@-2 0-1{{noexcept}}
 #endif
   };
   struct D : C<void> {}; // ok
diff --git a/test/CXX/drs/dr1xx.cpp b/test/CXX/drs/dr1xx.cpp
index f5395cfe183d..d62ed9f0d36d 100644
--- a/test/CXX/drs/dr1xx.cpp
+++ b/test/CXX/drs/dr1xx.cpp
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -std=c++98 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 // RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 // RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
-// RUN: %clang_cc1 -std=c++1z -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
+// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 
 namespace dr100 { // dr100: yes
   template<const char *> struct A {}; // expected-note 0-1{{declared here}}
@@ -313,7 +313,7 @@ namespace dr126 { // dr126: no
     virtual void z() throw(long); // expected-error {{more lax}}
   };
 #else
-  void f() throw(int); // expected-error {{ISO C++1z does not allow}} expected-note {{use 'noexcept}}
+  void f() throw(int); // expected-error {{ISO C++17 does not allow}} expected-note {{use 'noexcept}}
 #endif
 }
 
diff --git a/test/CXX/drs/dr20xx.cpp b/test/CXX/drs/dr20xx.cpp
index b97a9a46bc85..5819c319fd54 100644
--- a/test/CXX/drs/dr20xx.cpp
+++ b/test/CXX/drs/dr20xx.cpp
@@ -10,7 +10,7 @@
 #define static_assert(...) _Static_assert(__VA_ARGS__)
 #endif
 
-namespace dr2094 { // dr2094: 5.0
+namespace dr2094 { // dr2094: 5
   struct A { int n; };
   struct B { volatile int n; };
   static_assert(__is_trivially_copyable(volatile int), "");
diff --git a/test/CXX/drs/dr2xx.cpp b/test/CXX/drs/dr2xx.cpp
index a5677a125a00..4e745ef2f4d0 100644
--- a/test/CXX/drs/dr2xx.cpp
+++ b/test/CXX/drs/dr2xx.cpp
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -std=c++98 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 // RUN: %clang_cc1 -std=c++11 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 // RUN: %clang_cc1 -std=c++14 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
-// RUN: %clang_cc1 -std=c++1z %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
+// RUN: %clang_cc1 -std=c++17 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 
 // PR13819 -- __SIZE_TYPE__ is incompatible.
 typedef __SIZE_TYPE__ size_t; // expected-error 0-1 {{extension}}
@@ -984,7 +984,7 @@ namespace dr289 { // dr289: yes
 namespace dr294 { // dr294: no
   void f() throw(int);
 #if __cplusplus > 201402L
-    // expected-error@-2 {{ISO C++1z does not allow}} expected-note@-2 {{use 'noexcept}}
+    // expected-error@-2 {{ISO C++17 does not allow}} expected-note@-2 {{use 'noexcept}}
 #endif
   int main() {
     (void)static_cast<void (*)() throw()>(f); // FIXME: ill-formed in C++14 and before
@@ -1001,13 +1001,13 @@ namespace dr294 { // dr294: no
 #endif
     (void)static_cast<void (*)() throw(int)>(f); // FIXME: ill-formed in C++14 and before
 #if __cplusplus > 201402L
-    // expected-error@-2 {{ISO C++1z does not allow}} expected-note@-2 {{use 'noexcept}}
+    // expected-error@-2 {{ISO C++17 does not allow}} expected-note@-2 {{use 'noexcept}}
 #endif
 
     void (*p)() throw() = f; // expected-error-re {{{{not superset|different exception specification}}}}
     void (*q)() throw(int) = f;
 #if __cplusplus > 201402L
-    // expected-error@-2 {{ISO C++1z does not allow}} expected-note@-2 {{use 'noexcept}}
+    // expected-error@-2 {{ISO C++17 does not allow}} expected-note@-2 {{use 'noexcept}}
 #endif
   }
 }
diff --git a/test/CXX/drs/dr4xx.cpp b/test/CXX/drs/dr4xx.cpp
index a55bb91be558..1a5976eadaff 100644
--- a/test/CXX/drs/dr4xx.cpp
+++ b/test/CXX/drs/dr4xx.cpp
@@ -1,7 +1,7 @@
 // RUN: env ASAN_OPTIONS=detect_stack_use_after_return=0 %clang_cc1 -std=c++98 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 // RUN: env ASAN_OPTIONS=detect_stack_use_after_return=0 %clang_cc1 -std=c++11 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 // RUN: env ASAN_OPTIONS=detect_stack_use_after_return=0 %clang_cc1 -std=c++14 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
-// RUN: env ASAN_OPTIONS=detect_stack_use_after_return=0 %clang_cc1 -std=c++1z %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
+// RUN: env ASAN_OPTIONS=detect_stack_use_after_return=0 %clang_cc1 -std=c++17 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 
 // FIXME: __SIZE_TYPE__ expands to 'long long' on some targets.
 __extension__ typedef __SIZE_TYPE__ size_t;
@@ -507,16 +507,16 @@ namespace dr437 { // dr437: sup 1308
   struct S {
     void f() throw(S);
 #if __cplusplus > 201402L
-    // expected-error@-2 {{ISO C++1z does not allow}} expected-note@-2 {{use 'noexcept}}
+    // expected-error@-2 {{ISO C++17 does not allow}} expected-note@-2 {{use 'noexcept}}
 #endif
     void g() throw(T<S>);
 #if __cplusplus > 201402L
-    // expected-error@-2 {{ISO C++1z does not allow}} expected-note@-2 {{use 'noexcept}}
+    // expected-error@-2 {{ISO C++17 does not allow}} expected-note@-2 {{use 'noexcept}}
 #endif
     struct U;
     void h() throw(U);
 #if __cplusplus > 201402L
-    // expected-error@-2 {{ISO C++1z does not allow}} expected-note@-2 {{use 'noexcept}}
+    // expected-error@-2 {{ISO C++17 does not allow}} expected-note@-2 {{use 'noexcept}}
 #endif
     struct U {};
   };
@@ -1202,7 +1202,7 @@ namespace dr495 { // dr495: 3.5
   long n2 = s2;
 }
 
-namespace dr496 { // dr496: sup dr2094
+namespace dr496 { // dr496: sup 2094
   struct A { int n; };
   struct B { volatile int n; };
   int check1[ __is_trivially_copyable(const int) ? 1 : -1];
diff --git a/test/CXX/drs/dr5xx.cpp b/test/CXX/drs/dr5xx.cpp
index 97b40b8b7c26..5122398b7ca3 100644
--- a/test/CXX/drs/dr5xx.cpp
+++ b/test/CXX/drs/dr5xx.cpp
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -std=c++98 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 // RUN: %clang_cc1 -std=c++11 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 // RUN: %clang_cc1 -std=c++14 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
-// RUN: %clang_cc1 -std=c++1z %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
+// RUN: %clang_cc1 -std=c++17 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 
 // FIXME: This is included to avoid a diagnostic with no source location
 // pointing at the implicit operator new. We can't match such a diagnostic
@@ -966,7 +966,7 @@ namespace dr595 { // dr595: dup 1330
   template<class T> struct X {
     void f() throw(T) {}
 #if __cplusplus > 201402L
-    // expected-error@-2 {{ISO C++1z does not allow}} expected-note@-2 {{use 'noexcept}}
+    // expected-error@-2 {{ISO C++17 does not allow}} expected-note@-2 {{use 'noexcept}}
 #endif
   };
   struct S {
diff --git a/test/CXX/stmt.stmt/stmt.iter/stmt.ranged/p1.cpp b/test/CXX/stmt.stmt/stmt.iter/stmt.ranged/p1.cpp
index 8c4f36c0ff74..ad6086835876 100644
--- a/test/CXX/stmt.stmt/stmt.iter/stmt.ranged/p1.cpp
+++ b/test/CXX/stmt.stmt/stmt.iter/stmt.ranged/p1.cpp
@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
 // RUN: %clang_cc1 -std=c++14 -fsyntax-only -verify %s
-// RUN: %clang_cc1 -std=c++1z -fsyntax-only -verify %s
+// RUN: %clang_cc1 -std=c++17 -fsyntax-only -verify %s
 
 struct pr12960 {
   int begin;
@@ -125,7 +125,7 @@ void g() {
   };
   for (auto a : Differ())
 #if __cplusplus <= 201402L
-    // expected-warning@-2 {{'begin' and 'end' returning different types ('int *' and 'null_t') is a C++1z extension}}
+    // expected-warning@-2 {{'begin' and 'end' returning different types ('int *' and 'null_t') is a C++17 extension}}
     // expected-note@-6 {{selected 'begin' function with iterator type 'int *'}}
     // expected-note@-6 {{selected 'end' function with iterator type 'null_t'}}
 #endif
diff --git a/test/CodeCompletion/uninstantiated_params.cpp b/test/CodeCompletion/uninstantiated_params.cpp
new file mode 100644
index 000000000000..57a520dd5712
--- /dev/null
+++ b/test/CodeCompletion/uninstantiated_params.cpp
@@ -0,0 +1,13 @@
+template <class T>
+struct unique_ptr {
+  typedef T* pointer;
+
+  void reset(pointer ptr = pointer());
+};
+
+void test() {
+  unique_ptr<int> x;
+  x.
+  // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:10:5 %s -o - | FileCheck -check-prefix=CHECK-CC1 %s
+  // CHECK-CC1: [#void#]reset({#<#unique_ptr<int>::pointer ptr = pointer()#>#})
+}
diff --git a/test/CodeGen/arm-float-helpers.c b/test/CodeGen/arm-float-helpers.c
new file mode 100644
index 000000000000..30363304bcf9
--- /dev/null
+++ b/test/CodeGen/arm-float-helpers.c
@@ -0,0 +1,233 @@
+// REQUIRES: arm-registered-target
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-linux-gnueabi %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-linux-gnueabihf %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-linux-gnueabi -target-feature "+soft-float" -target-feature "+soft-float-abi" %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-linux-gnueabi -target-feature "+soft-float" %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-eabi %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-eabi -meabi gnu %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-eabi %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-eabi -target-feature "+soft-float" -target-feature "+soft-float-abi" -meabi gnu %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-eabi -target-feature "+soft-float" -meabi gnu %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-eabihf %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-eabihf -meabi gnu %s | FileCheck %s
+
+// The Runtime ABI for the ARM Architecture IHI0043 section 4.1.2 The
+// floating-point helper functions to always use the base AAPCS (soft-float)
+// calling convention.
+//
+// These helper functions such as __aeabi_fadd are not explicitly called by
+// clang, instead they are generated by the ARMISelLowering when they are
+// needed; clang relies on llvm to use the base AAPCS.
+//
+// In this test we check that clang is not directly calling the __aeabi_
+// functions. We rely on llvm to test that the base AAPCS is used for any
+// __aeabi_ function from 4.1.2 that is used.
+//
+// When compiled to an object file with -mfloat-abi=soft each function F
+// below should result in a call to __aeabi_F. If clang is changed to call any
+// of these functions directly the test will need to be altered to check that
+// arm_aapcscc is used.
+//
+// Note that it is only the functions in 4.1.2 that must use the base AAPCS,
+// other runtime functions such as the _Complex helper routines are not covered.
+
+float fadd(float a, float b) { return a + b; }
+// CHECK-LABEL: define float @fadd(float %a, float %b)
+// CHECK-NOT: __aeabi_fadd
+// CHECK: %add = fadd float  {{.*}}, {{.*}}
+
+float fdiv(float a, float b) { return a / b; }
+// CHECK-LABEL: define float @fdiv(float %a, float %b)
+// CHECK-NOT: __aeabi_fdiv
+// CHECK: %div = fdiv float  {{.*}}, {{.*}}
+
+float fmul(float a, float b) { return a * b; }
+// CHECK-LABEL: define float @fmul(float %a, float %b)
+// CHECK-NOT: __aeabi_fmul
+// CHECK: %mul = fmul float  {{.*}}, {{.*}}
+
+float fsub(float a, float b) { return a - b; }
+// CHECK-LABEL: define float @fsub(float %a, float %b)
+// CHECK-NOT: __aeabi_fsub
+// CHECK: %sub = fsub float  {{.*}}, {{.*}}
+
+int fcmpeq(float a, float b) { return a == b; }
+// CHECK-LABEL: define i32 @fcmpeq(float %a, float %b)
+// CHECK-NOT: __aeabi_fcmpeq
+// CHECK: %cmp = fcmp oeq float  {{.*}}, {{.*}}
+
+int fcmplt(float a, float b) { return a < b; }
+// CHECK-LABEL: define i32 @fcmplt(float %a, float %b)
+// CHECK-NOT: __aeabi_fcmplt
+// CHECK: %cmp = fcmp olt float  {{.*}}, {{.*}}
+
+int fcmple(float a, float b) { return a <= b; }
+// CHECK-LABEL: define i32 @fcmple(float %a, float %b)
+// CHECK-NOT: __aeabi_fcmple
+// CHECK: %cmp = fcmp ole float  {{.*}}, {{.*}}
+
+int fcmpge(float a, float b) { return a >= b; }
+// CHECK-LABEL: define i32 @fcmpge(float %a, float %b)
+// CHECK-NOT: __aeabi_fcmpge
+// CHECK: %cmp = fcmp oge float  {{.*}}, {{.*}}
+
+int fcmpgt(float a, float b) { return a > b; }
+// CHECK-LABEL: define i32 @fcmpgt(float %a, float %b)
+// CHECK-NOT: __aeabi_fcmpgt
+// CHECK: %cmp = fcmp ogt float  {{.*}}, {{.*}}
+
+int fcmpun(float a, float b) { return __builtin_isunordered(a, b); }
+// CHECK-LABEL: define i32 @fcmpun(float %a, float %b)
+// CHECK-NOT: __aeabi_fcmpun
+// CHECK: %cmp = fcmp uno double %conv, %conv1
+
+double dadd(double a, double b) { return a + b; }
+// CHECK-LABEL: define double @dadd(double %a, double %b)
+// CHECK-NOT: __aeabi_dadd
+// CHECK: %add = fadd double  {{.*}}, {{.*}}
+
+double ddiv(double a, double b) { return a / b; }
+// CHECK-LABEL: define double @ddiv(double %a, double %b)
+// CHECK-NOT: __aeabi_ddiv
+// CHECK: %div = fdiv double  {{.*}}, {{.*}}
+
+double dmul(double a, double b) { return a * b; }
+// CHECK-LABEL: define double @dmul(double %a, double %b)
+// CHECK-NOT: __aeabi_dmul
+// CHECK: %mul = fmul double  {{.*}}, {{.*}}
+
+double dsub(double a, double b) { return a - b; }
+// CHECK-LABEL: define double @dsub(double %a, double %b)
+// CHECK-NOT: __aeabi_dsub
+// CHECK: %sub = fsub double  {{.*}}, {{.*}}
+
+int dcmpeq(double a, double b) { return a == b; }
+// CHECK-LABEL: define i32 @dcmpeq(double %a, double %b)
+// CHECK-NOT: __aeabi_dcmpeq
+// CHECK: %cmp = fcmp oeq double  {{.*}}, {{.*}}
+
+int dcmplt(double a, double b) { return a < b; }
+// CHECK-LABEL: define i32 @dcmplt(double %a, double %b)
+// CHECK-NOT: __aeabi_dcmplt
+// CHECK: %cmp = fcmp olt double  {{.*}}, {{.*}}
+
+int dcmple(double a, double b) { return a <= b; }
+// CHECK-LABEL: define i32 @dcmple(double %a, double %b)
+// CHECK-NOT: __aeabi_dcmple
+// CHECK: %cmp = fcmp ole double  {{.*}}, {{.*}}
+
+int dcmpge(double a, double b) { return a >= b; }
+// CHECK-LABEL: define i32 @dcmpge(double %a, double %b)
+// CHECK-NOT: __aeabi_dcmpge
+// CHECK: %cmp = fcmp oge double  {{.*}}, {{.*}}
+
+int dcmpgt(double a, double b) { return a > b; }
+// CHECK-LABEL: define i32 @dcmpgt(double %a, double %b)
+// CHECK-NOT: __aeabi_dcmpgt
+// CHECK: %cmp = fcmp ogt double  {{.*}}, {{.*}}
+
+int dcmpun(double a, double b) { return __builtin_isunordered(a, b); }
+// CHECK-LABEL: define i32 @dcmpun(double %a, double %b)
+// CHECK-NOT: __aeabi_dcmpun
+// CHECK: %cmp = fcmp uno double  {{.*}}, {{.*}}
+
+int d2iz(double a) { return (int)a; }
+// CHECK-LABEL: define i32 @d2iz(double %a)
+// CHECK-NOT: __aeabi_d2iz
+// CHECK: %conv = fptosi double  {{.*}} to i32
+
+unsigned int d2uiz(double a) { return (unsigned int)a; }
+// CHECK-LABEL: define i32 @d2uiz(double %a)
+// CHECK-NOT: __aeabi_d2uiz
+// CHECK: %conv = fptoui double  {{.*}} to i32
+
+long long d2lz(double a) { return (long long)a; }
+// CHECK-LABEL: define i64 @d2lz(double %a)
+// CHECK-NOT: __aeabi_d2lz
+// CHECK: %conv = fptosi double  {{.*}} to i64
+
+unsigned long long d2ulz(double a) { return (unsigned long long)a; }
+// CHECK-LABEL: define i64 @d2ulz(double %a)
+// CHECK-NOT: __aeabi_d2ulz
+// CHECK: %conv = fptoui double  {{.*}} to i64
+
+int f2iz(float a) { return (int)a; }
+// CHECK-LABEL: define i32 @f2iz(float %a)
+// CHECK-NOT: __aeabi_f2iz
+// CHECK: %conv = fptosi float  {{.*}} to i32
+
+unsigned int f2uiz(float a) { return (unsigned int)a; }
+// CHECK-LABEL: define i32 @f2uiz(float %a)
+// CHECK-NOT: __aeabi_f2uiz
+// CHECK: %conv = fptoui float  {{.*}} to i32
+
+long long f2lz(float a) { return (long long)a; }
+// CHECK-LABEL: define i64 @f2lz(float %a)
+// CHECK-NOT: __aeabi_f2lz
+// CHECK: %conv = fptosi float  {{.*}} to i64
+
+unsigned long long f2ulz(float a) { return (unsigned long long)a; }
+// CHECK-LABEL: define i64 @f2ulz(float %a)
+// CHECK-NOT: __aeabi_f2ulz
+// CHECK: %conv = fptoui float  {{.*}} to i64
+
+float d2f(double a) { return (float)a; }
+// CHECK-LABEL: define float @d2f(double %a)
+// CHECK-NOT: __aeabi_d2f
+// CHECK: %conv = fptrunc double  {{.*}} to float
+
+double f2d(float a) { return (double)a; }
+// CHECK-LABEL: define double @f2d(float %a)
+// CHECK-NOT: __aeabi_f2d
+// CHECK: %conv = fpext float  {{.*}} to double
+
+double i2d(int a) { return (double)a; }
+// CHECK-LABEL: define double @i2d(i32 %a)
+// CHECK-NOT: __aeabi_i2d
+// CHECK: %conv = sitofp i32  {{.*}} to double
+
+double ui2d(unsigned int a) { return (double)a; }
+// CHECK-LABEL: define double @ui2d(i32 %a)
+// CHECK-NOT: __aeabi_ui2d
+// CHECK: %conv = uitofp i32  {{.*}} to double
+
+double l2d(long long a) { return (double)a; }
+// CHECK-LABEL: define double @l2d(i64 %a)
+// CHECK-NOT: __aeabi_l2d
+// CHECK: %conv = sitofp i64  {{.*}} to double
+
+double ul2d(unsigned long long a) { return (unsigned long long)a; }
+// CHECK-LABEL: define double @ul2d(i64 %a)
+// CHECK-NOT: __aeabi_ul2d
+// CHECK: %conv = uitofp i64  {{.*}} to double
+
+float i2f(int a) { return (int)a; }
+// CHECK-LABEL: define float @i2f(i32 %a)
+// CHECK-NOT: __aeabi_i2f
+// CHECK: %conv = sitofp i32  {{.*}} to float
+
+float ui2f(unsigned int a) { return (unsigned int)a; }
+// CHECK-LABEL: define float @ui2f(i32 %a)
+// CHECK-NOT: __aeabi_ui2f
+// CHECK: %conv = uitofp i32  {{.*}} to float
+
+float l2f(long long a) { return (long long)a; }
+// CHECK-LABEL: define float @l2f(i64 %a)
+// CHECK-NOT: __aeabi_l2f
+// CHECK: %conv = sitofp i64  {{.*}} to float
+
+float ul2f(unsigned long long a) { return (unsigned long long)a; }
+// CHECK-LABEL: define float @ul2f(i64 %a)
+// CHECK-NOT: __aeabi_ul2f
+// CHECK: %conv = uitofp i64  {{.*}} to float
+
+// Functions in section 4.1.2 not used by llvm and don't easily map directly to
+// C source code.
+// cfcmpeq
+// cfcmple
+// cfrcmple
+// cdcmpeq
+// cdcmple
+// cdrcmple
+// frsub
+// drsub
diff --git a/test/CodeGen/complex-math.c b/test/CodeGen/complex-math.c
index 96c7ad9cdbc9..8792ca14b9d8 100644
--- a/test/CodeGen/complex-math.c
+++ b/test/CodeGen/complex-math.c
@@ -2,7 +2,8 @@
 // RUN: %clang_cc1 %s -O1 -emit-llvm -triple x86_64-pc-win64 -o - | FileCheck %s --check-prefix=X86
 // RUN: %clang_cc1 %s -O1 -emit-llvm -triple i686-unknown-unknown -o - | FileCheck %s --check-prefix=X86
 // RUN: %clang_cc1 %s -O1 -emit-llvm -triple powerpc-unknown-unknown -o - | FileCheck %s --check-prefix=PPC
-// RUN: %clang_cc1 %s -O1 -emit-llvm -triple armv7-none-linux-gnueabihf -o - | FileCheck %s --check-prefix=ARM
+// RUN %clang_cc1 %s -O1 -emit-llvm -triple armv7-none-linux-gnueabi -o - | FileCheck %s --check-prefix=ARM
+// RUN: %clang_cc1 %s -O1 -emit-llvm -triple armv7-none-linux-gnueabihf -o - | FileCheck %s --check-prefix=ARMHF
 // RUN: %clang_cc1 %s -O1 -emit-llvm -triple thumbv7k-apple-watchos2.0 -o - -target-abi aapcs16 | FileCheck %s --check-prefix=ARM7K
 
 float _Complex add_float_rr(float a, float b) {
@@ -476,8 +477,15 @@ _Bool ne_float_cc(float _Complex a, float _Complex b) {
 
 // Check that the libcall will obtain proper calling convention on ARM
 _Complex double foo(_Complex double a, _Complex double b) {
+  // These functions are not defined as floating point helper functions in
+  // Run-time ABI for the ARM architecture document so they must not always
+  // use the base AAPCS.
+
   // ARM-LABEL: @foo(
-  // ARM: call arm_aapcscc { double, double } @__muldc3
+  // ARM: call void { double, double } @__muldc3
+
+  // ARMHF-LABEL: @foo(
+  // ARMHF: call { double, double } @__muldc3
 
   // ARM7K-LABEL: @foo(
   // ARM7K: call { double, double } @__muldc3
diff --git a/test/CodeGen/mips-aggregate-arg.c b/test/CodeGen/mips-aggregate-arg.c
deleted file mode 100644
index ccf30df7c22a..000000000000
--- a/test/CodeGen/mips-aggregate-arg.c
+++ /dev/null
@@ -1,38 +0,0 @@
-// RUN: %clang_cc1 -triple mipsel-unknown-linux-gnu -S -emit-llvm -o - %s | FileCheck -check-prefix=O32 %s
-// RUN: %clang_cc1 -triple mips64el-unknown-linux-gnu -S -emit-llvm -o - %s  -target-abi n32 | FileCheck -check-prefix=N32-N64 %s
-// RUN: %clang_cc1 -triple mips64el-unknown-linux-gnu -S -emit-llvm -o - %s  -target-abi n64 | FileCheck -check-prefix=N32-N64 %s
-
-struct t1 {
-  char t1[10];
-};
-
-struct t2 {
-  char t2[20];
-};
-
-struct t3 {
-  char t3[65];
-};
-
-extern struct t1 g1;
-extern struct t2 g2;
-extern struct t3 g3;
-extern void f1(struct t1);
-extern void f2(struct t2);
-extern void f3(struct t3);
-
-void f() {
-
-// O32:  call void @f1(i32 inreg %{{[0-9]+}}, i32 inreg %{{[0-9]+}}, i16 inreg %{{[0-9]+}})
-// O32:  call void @f2(%struct.t2* byval align 4 %{{.*}})
-// O32:  call void @f3(%struct.t3* byval align 4 %{{.*}})
-
-// N32-N64:  call void @f1(i64 inreg %{{[0-9]+}}, i16 inreg %{{[0-9]+}})
-// N32-N64:  call void @f2(i64 inreg %{{[0-9]+}}, i64 inreg %{{[0-9]+}}, i32 inreg %{{[0-9]+}})
-// N32-N64:  call void @f3(%struct.t3* byval align 8 %{{.*}})
-
-  f1(g1);
-  f2(g2);
-  f3(g3);
-}
-
diff --git a/test/CodeGen/mips-madd4.c b/test/CodeGen/mips-madd4.c
new file mode 100644
index 000000000000..bc7bb593f95d
--- /dev/null
+++ b/test/CodeGen/mips-madd4.c
@@ -0,0 +1,87 @@
+// REQUIRES: mips-registered-target
+// RUN: %clang --target=mips64-unknown-linux -S -mmadd4    %s -o -| FileCheck %s -check-prefix=MADD4
+// RUN: %clang --target=mips64-unknown-linux -S -mno-madd4 %s -o -| FileCheck %s -check-prefix=NOMADD4
+// RUN: %clang --target=mips64-unknown-linux -S -mmadd4    -fno-honor-nans %s -o -| FileCheck %s -check-prefix=MADD4-NONAN
+// RUN: %clang --target=mips64-unknown-linux -S -mno-madd4 -fno-honor-nans %s -o -| FileCheck %s -check-prefix=NOMADD4-NONAN
+ 
+float madd_s (float f, float g, float h)
+{
+  return (f * g) + h;
+}
+// MADD4:   madd.s
+// NOMADD4: mul.s
+// NOMADD4: add.s
+
+float msub_s (float f, float g, float h)
+{
+  return (f * g) - h;
+}
+// MADD4:   msub.s
+// NOMADD4: mul.s
+// NOMADD4: sub.s
+
+double madd_d (double f, double g, double h)
+{
+  return (f * g) + h;
+}
+// MADD4:   madd.d
+// NOMADD4: mul.d
+// NOMADD4: add.d
+
+double msub_d (double f, double g, double h)
+{
+  return (f * g) - h;
+}
+// MADD4:   msub.d
+// NOMADD4: mul.d
+// NOMADD4: sub.d
+
+
+float nmadd_s (float f, float g, float h)
+{
+  // FIXME: Zero has been explicitly placed to force generation of a positive
+  // zero in IR until pattern used to match this instruction is changed to
+  // comply with negative zero as well.
+  return 0-((f * g) + h);
+}
+// MADD4-NONAN:   nmadd.s
+// NOMADD4-NONAN: mul.s
+// NOMADD4-NONAN: add.s
+// NOMADD4-NONAN: sub.s
+
+float nmsub_s (float f, float g, float h)
+{
+  // FIXME: Zero has been explicitly placed to force generation of a positive
+  // zero in IR until pattern used to match this instruction is changed to
+  // comply with negative zero as well.
+  return 0-((f * g) - h);
+}
+// MADD4-NONAN:   nmsub.s
+// NOMADD4-NONAN: mul.s
+// NOMADD4-NONAN: sub.s
+// NOMADD4-NONAN: sub.s
+
+double nmadd_d (double f, double g, double h)
+{
+  // FIXME: Zero has been explicitly placed to force generation of a positive
+  // zero in IR until pattern used to match this instruction is changed to
+  // comply with negative zero as well.
+  return 0-((f * g) + h);
+}
+// MADD4-NONAN:   nmadd.d
+// NOMADD4-NONAN: mul.d
+// NOMADD4-NONAN: add.d
+// NOMADD4-NONAN: sub.d
+
+double nmsub_d (double f, double g, double h)
+{
+  // FIXME: Zero has been explicitly placed to force generation of a positive
+  // zero in IR until pattern used to match this instruction is changed to
+  // comply with negative zero as well.
+  return 0-((f * g) - h);
+}
+// MADD4-NONAN:   nmsub.d
+// NOMADD4-NONAN: mul.d
+// NOMADD4-NONAN: sub.d
+// NOMADD4-NONAN: sub.d
+
diff --git a/test/CodeGenCXX/pr34163.cpp b/test/CodeGenCXX/pr34163.cpp
new file mode 100644
index 000000000000..a200a0f509bc
--- /dev/null
+++ b/test/CodeGenCXX/pr34163.cpp
@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 -emit-llvm -debug-info-kind=standalone -triple x86_64-linux-gnu -o - -x c++ %s | FileCheck %s
+
+void f(struct X *) {}
+
+// CHECK: @_ZTV1X =
+struct X {
+  void a() { delete this; }
+  virtual ~X() {}
+  virtual void key_function();
+};
+
+// CHECK: define {{.*}} @_ZN1X12key_functionEv(
+void X::key_function() {}
diff --git a/test/Driver/clang-translation.c b/test/Driver/clang-translation.c
index 7c7b2f05f1dc..545951d5aa11 100644
--- a/test/Driver/clang-translation.c
+++ b/test/Driver/clang-translation.c
@@ -69,6 +69,14 @@
 // ARMV7_HARDFLOAT-NOT: "-msoft-float"
 // ARMV7_HARDFLOAT: "-x" "c"
 
+// RUN: %clang -target arm64-apple-ios10 -### -S %s -arch arm64 2>&1 | \
+// RUN: FileCheck -check-prefix=ARM64-APPLE %s
+// ARM64-APPLE: -munwind-table
+
+// RUN: %clang -target armv7k-apple-watchos4.0 -### -S %s -arch armv7k 2>&1 | \
+// RUN: FileCheck -check-prefix=ARMV7K-APPLE %s
+// ARMV7K-APPLE: -munwind-table
+
 // RUN: %clang -target arm-linux -### -S %s -march=armv5e 2>&1 | \
 // RUN: FileCheck -check-prefix=ARMV5E %s
 // ARMV5E: clang
diff --git a/test/Driver/darwin-version.c b/test/Driver/darwin-version.c
index 12c7ef6eb0b1..3ff49aca6c02 100644
--- a/test/Driver/darwin-version.c
+++ b/test/Driver/darwin-version.c
@@ -26,6 +26,8 @@
 
 // RUN: %clang -target armv7-apple-ios11.1 -c -### %s 2>&1 | \
 // RUN: FileCheck --check-prefix=CHECK-VERSION-IOS7 %s
+// RUN: %clang -target armv7-apple-ios9 -Wno-missing-sysroot -isysroot SDKs/iPhoneOS11.0.sdk -c -### %s 2>&1 | \
+// RUN: FileCheck --check-prefix=CHECK-VERSION-IOS7 %s
 // CHECK-VERSION-IOS7: thumbv7-apple-ios10.99.99
 
 // RUN: env IPHONEOS_DEPLOYMENT_TARGET=11.0 \
@@ -45,6 +47,10 @@
 // RUN: FileCheck --check-prefix=CHECK-VERSION-IOS11 %s
 // CHECK-VERSION-IOS11: arm64-apple-ios11.1.0
 
+// RUN: %clang -target armv7-apple-ios9.0 -miphoneos-version-min=11.0 -c -Wno-invalid-ios-deployment-target -### %s 2>&1 | \
+// RUN: FileCheck --check-prefix=CHECK-VERSION-IOS12 %s
+// CHECK-VERSION-IOS12: thumbv7-apple-ios11.0.0
+
 // RUN: %clang -target i686-apple-darwin8 -c %s -### 2>&1 | \
 // RUN:   FileCheck --check-prefix=CHECK-VERSION-OSX4 %s
 // RUN: %clang -target i686-apple-darwin9 -mmacosx-version-min=10.4 -c %s -### 2>&1 | \
diff --git a/test/Driver/unknown-std.cpp b/test/Driver/unknown-std.cpp
index 195a671edadf..a7aae5112221 100644
--- a/test/Driver/unknown-std.cpp
+++ b/test/Driver/unknown-std.cpp
@@ -13,8 +13,8 @@
 // CHECK-NEXT: note: use 'gnu++11' for 'ISO C++ 2011 with amendments and GNU extensions' standard
 // CHECK-NEXT: note: use 'c++14' for 'ISO C++ 2014 with amendments' standard
 // CHECK-NEXT: note: use 'gnu++14' for 'ISO C++ 2014 with amendments and GNU extensions' standard
-// CHECK-NEXT: note: use 'c++1z' for 'Working draft for ISO C++ 2017' standard
-// CHECK-NEXT: note: use 'gnu++1z' for 'Working draft for ISO C++ 2017 with GNU extensions' standard
+// CHECK-NEXT: note: use 'c++17' for 'ISO C++ 2017 with amendments' standard
+// CHECK-NEXT: note: use 'gnu++17' for 'ISO C++ 2017 with amendments and GNU extensions' standard
 // CHECK-NEXT: note: use 'c++2a' for 'Working draft for ISO C++ 2020' standard
 // CHECK-NEXT: note: use 'gnu++2a' for 'Working draft for ISO C++ 2020 with GNU extensions' standard
 // CUDA-NEXT: note: use 'cuda' for 'NVIDIA CUDA(tm)' standard
diff --git a/test/FixIt/fixit.cpp b/test/FixIt/fixit.cpp
index 0b7fc626ff8a..92c561a20acc 100644
--- a/test/FixIt/fixit.cpp
+++ b/test/FixIt/fixit.cpp
@@ -216,7 +216,7 @@ template<class T> typedef Mystery<T>::type getMysteriousThing() { // \
 }
 
 template<template<typename> Foo, // expected-error {{template template parameter requires 'class' after the parameter list}}
-         template<typename> typename Bar, // expected-warning {{template template parameter using 'typename' is a C++1z extension}}
+         template<typename> typename Bar, // expected-warning {{template template parameter using 'typename' is a C++17 extension}}
          template<typename> struct Baz> // expected-error {{template template parameter requires 'class' after the parameter list}}
 void func();
 
diff --git a/test/Lexer/cxx-features.cpp b/test/Lexer/cxx-features.cpp
index 24f38e51d91e..04821bdb2277 100644
--- a/test/Lexer/cxx-features.cpp
+++ b/test/Lexer/cxx-features.cpp
@@ -4,7 +4,7 @@
 // RUN: %clang_cc1 -std=c++14 -fcxx-exceptions -fsized-deallocation -verify %s
 // RUN: %clang_cc1 -std=c++1z -fcxx-exceptions -fsized-deallocation -verify %s
 // RUN: %clang_cc1 -std=c++1z -fcxx-exceptions -fsized-deallocation -fconcepts-ts -DCONCEPTS_TS=1 -verify %s
-// RUN: %clang_cc1 -fno-rtti -verify %s -DNO_EXCEPTIONS -DNO_RTTI
+// RUN: %clang_cc1 -fno-rtti -fno-threadsafe-statics -verify %s -DNO_EXCEPTIONS -DNO_RTTI -DNO_THREADSAFE_STATICS
 // RUN: %clang_cc1 -fcoroutines-ts -DNO_EXCEPTIONS -DCOROUTINES -verify %s
 
 // expected-no-diagnostics
@@ -22,19 +22,15 @@
 
 // --- C++17 features ---
 
-#if check(variadic_using, 0, 0, 0, 201611) // FIXME: provisional name
-#error "wrong value for __cpp_variadic_using"
-#endif
-
 #if check(hex_float, 0, 0, 0, 201603)
 #error "wrong value for __cpp_hex_float"
 #endif
 
-#if check(inline_variables, 0, 0, 0, 201606) // FIXME: provisional name
+#if check(inline_variables, 0, 0, 0, 201606)
 #error "wrong value for __cpp_inline_variables"
 #endif
 
-#if check(aligned_new, 0, 0, 0, 201606) // FIXME: provisional name
+#if check(aligned_new, 0, 0, 0, 201606)
 #error "wrong value for __cpp_aligned_new"
 #endif
 
@@ -52,7 +48,7 @@
 
 // constexpr checked below
 
-#if check(if_constexpr, 0, 0, 0, 201606) // FIXME: provisional name
+#if check(if_constexpr, 0, 0, 0, 201606)
 #error "wrong value for __cpp_if_constexpr"
 #endif
 
@@ -60,7 +56,11 @@
 
 // static_assert checked below
 
-#if check(template_auto, 0, 0, 0, 201606) // FIXME: provisional name
+#if check(deduction_guides, 0, 0, 0, 201611)
+#error "wrong value for __cpp_deduction_guides"
+#endif
+
+#if check(template_auto, 0, 0, 0, 201606)
 #error "wrong value for __cpp_template_auto"
 #endif
 
@@ -80,6 +80,10 @@
 
 // inheriting_constructors checked below
 
+#if check(variadic_using, 0, 0, 0, 201611)
+#error "wrong value for __cpp_variadic_using"
+#endif
+
 #if check(aggregate_bases, 0, 0, 0, 201603)
 #error "wrong value for __cpp_aggregate_bases"
 #endif
@@ -96,10 +100,6 @@
 #error "wrong value for __cpp_template_template_args"
 #endif
 
-#if check(deduction_guides, 0, 0, 0, 201611) // FIXME: provisional name
-#error "wrong value for __cpp_deduction_guides"
-#endif
-
 // --- C++14 features ---
 
 #if check(binary_literals, 0, 0, 201304, 201304)
@@ -163,6 +163,10 @@
 #error "wrong value for __cpp_user_defined_literals"
 #endif
 
+#if defined(NO_THREADSAFE_STATICS) ? check(threadsafe_static_init, 0, 0, 0, 0) : check(threadsafe_static_init, 200806, 200806, 200806, 200806)
+#error "wrong value for __cpp_threadsafe_static_init"
+#endif
+
 #if check(lambdas, 0, 200907, 200907, 200907)
 #error "wrong value for __cpp_lambdas"
 #endif
diff --git a/test/Lexer/hexfloat.cpp b/test/Lexer/hexfloat.cpp
index 163db72f56f2..3241751a1233 100644
--- a/test/Lexer/hexfloat.cpp
+++ b/test/Lexer/hexfloat.cpp
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -std=c++98 -fsyntax-only -verify -pedantic %s
 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify -pedantic %s
 // RUN: %clang_cc1 -std=c++14 -fsyntax-only -verify -pedantic %s
-// RUN: %clang_cc1 -std=c++1z -fsyntax-only -verify -pedantic %s
+// RUN: %clang_cc1 -std=c++17 -fsyntax-only -verify -pedantic %s
 double e = 0x.p0; // expected-error-re {{hexadecimal floating {{constant|literal}} requires a significand}}
 
 float f = 0x1p+1;
@@ -9,10 +9,10 @@ double d = 0x.2p2;
 float g = 0x1.2p2;
 double h = 0x1.p2;
 #if __cplusplus <= 201402L
-// expected-warning@-5 {{hexadecimal floating literals are a C++1z feature}}
-// expected-warning@-5 {{hexadecimal floating literals are a C++1z feature}}
-// expected-warning@-5 {{hexadecimal floating literals are a C++1z feature}}
-// expected-warning@-5 {{hexadecimal floating literals are a C++1z feature}}
+// expected-warning@-5 {{hexadecimal floating literals are a C++17 feature}}
+// expected-warning@-5 {{hexadecimal floating literals are a C++17 feature}}
+// expected-warning@-5 {{hexadecimal floating literals are a C++17 feature}}
+// expected-warning@-5 {{hexadecimal floating literals are a C++17 feature}}
 #endif
 
 // PR12717: In order to minimally diverge from the C++ standard, we do not lex
diff --git a/test/Modules/Inputs/innerstructredef.h b/test/Modules/Inputs/innerstructredef.h
new file mode 100644
index 000000000000..600f44e41cf8
--- /dev/null
+++ b/test/Modules/Inputs/innerstructredef.h
@@ -0,0 +1,6 @@
+struct Outer {
+// This definition is actually hidden since only submodule 'one' is imported.
+struct Inner {
+  int x;
+} field;
+};
diff --git a/test/Modules/Inputs/module.map b/test/Modules/Inputs/module.map
index 4cb3e8a02804..4788daa43166 100644
--- a/test/Modules/Inputs/module.map
+++ b/test/Modules/Inputs/module.map
@@ -451,3 +451,12 @@ module DebugNestedB {
 module objcAtKeywordMissingEnd {
   header "objcAtKeywordMissingEnd.h"
 }
+
+module innerstructredef {
+  module one {
+    header "empty.h"
+  }
+  module two {
+   header "innerstructredef.h"
+  }
+}
diff --git a/test/Modules/inner-struct-redefines-invisible.m b/test/Modules/inner-struct-redefines-invisible.m
new file mode 100644
index 000000000000..ecf6d808df3d
--- /dev/null
+++ b/test/Modules/inner-struct-redefines-invisible.m
@@ -0,0 +1,12 @@
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fsyntax-only -I%S/Inputs -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -verify %s
+// expected-no-diagnostics
+
+@import innerstructredef.one;
+
+struct Outer {
+// Should set lexical context when parsing 'Inner' here, otherwise there's a crash:
+struct Inner {
+  int x;
+} field;
+};
diff --git a/test/Parser/cxx0x-attributes.cpp b/test/Parser/cxx0x-attributes.cpp
index 647762f165cb..5db06bd3f2a3 100644
--- a/test/Parser/cxx0x-attributes.cpp
+++ b/test/Parser/cxx0x-attributes.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -fsyntax-only -verify -std=c++11 -Wc++14-compat -Wc++14-extensions -Wc++1z-extensions %s
+// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -fsyntax-only -verify -std=c++11 -Wc++14-compat -Wc++14-extensions -Wc++17-extensions %s
 
 // Need std::initializer_list
 namespace std {
@@ -127,7 +127,7 @@ extern "C++" [[]] { } // expected-error {{an attribute list cannot appear here}}
 [[]] using ns::i; // expected-error {{an attribute list cannot appear here}}
 [[unknown]] using namespace ns; // expected-warning {{unknown attribute 'unknown' ignored}}
 [[noreturn]] using namespace ns; // expected-error {{'noreturn' attribute only applies to functions}}
-namespace [[]] ns2 {} // expected-warning {{attributes on a namespace declaration are incompatible with C++ standards before C++1z}}
+namespace [[]] ns2 {} // expected-warning {{attributes on a namespace declaration are incompatible with C++ standards before C++17}}
 
 using [[]] alignas(4) [[]] ns::i; // expected-error {{an attribute list cannot appear here}}
 using [[]] alignas(4) [[]] foobar = int; // expected-error {{an attribute list cannot appear here}} expected-error {{'alignas' attribute only applies to}}
@@ -179,7 +179,7 @@ enum [[]] E2; // expected-error {{forbids forward references}}
 enum [[]] E1;
 enum [[]] E3 : int;
 enum [[]] {
-  k_123 [[]] = 123 // expected-warning {{attributes on an enumerator declaration are incompatible with C++ standards before C++1z}}
+  k_123 [[]] = 123 // expected-warning {{attributes on an enumerator declaration are incompatible with C++ standards before C++17}}
 };
 enum [[]] E1 e; // expected-error {{an attribute list cannot appear here}}
 enum [[]] class E4 { }; // expected-error {{an attribute list cannot appear here}}
@@ -352,7 +352,7 @@ int fallthru(int n) {
   switch (n) {
   case 0:
     n += 5;
-    [[fallthrough]]; // expected-warning {{use of the 'fallthrough' attribute is a C++1z extension}}
+    [[fallthrough]]; // expected-warning {{use of the 'fallthrough' attribute is a C++17 extension}}
   case 1:
     n *= 2;
     break;
diff --git a/test/Parser/cxx1z-constexpr-lambdas.cpp b/test/Parser/cxx1z-constexpr-lambdas.cpp
index ea000e361ccb..4cf3d1221167 100644
--- a/test/Parser/cxx1z-constexpr-lambdas.cpp
+++ b/test/Parser/cxx1z-constexpr-lambdas.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -std=c++1z %s -verify 
+// RUN: %clang_cc1 -std=c++17 %s -verify 
 // RUN: %clang_cc1 -std=c++14 %s -verify 
 // RUN: %clang_cc1 -std=c++11 %s -verify 
 
@@ -23,9 +23,9 @@ auto XL16 = [] () constexpr
                   { };
 
 #else
-auto L = []() mutable constexpr {return 0; }; //expected-warning{{is a C++1z extension}}
-auto L2 = []() constexpr { return 0;};//expected-warning{{is a C++1z extension}}
-auto L4 = []() constexpr mutable { return 0; }; //expected-warning{{is a C++1z extension}}
+auto L = []() mutable constexpr {return 0; }; //expected-warning{{is a C++17 extension}}
+auto L2 = []() constexpr { return 0;};//expected-warning{{is a C++17 extension}}
+auto L4 = []() constexpr mutable { return 0; }; //expected-warning{{is a C++17 extension}}
 #endif
 
 
diff --git a/test/Parser/cxx1z-nested-namespace-definition.cpp b/test/Parser/cxx1z-nested-namespace-definition.cpp
index 96f34c540acc..e5e809aa0366 100644
--- a/test/Parser/cxx1z-nested-namespace-definition.cpp
+++ b/test/Parser/cxx1z-nested-namespace-definition.cpp
@@ -2,13 +2,13 @@
 // RUN: %clang_cc1 -fsyntax-only -verify %s
 // RUN: not %clang_cc1 -x c++ -fixit %t -Werror -DFIXIT
 // RUN: %clang_cc1 -x c++ %t -DFIXIT
-// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++1z -Wc++14-compat
+// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++17 -Wc++14-compat
 
 namespace foo1::foo2::foo3 {
 #if __cplusplus <= 201400L
-// expected-warning@-2 {{nested namespace definition is a C++1z extension; define each namespace separately}}
+// expected-warning@-2 {{nested namespace definition is a C++17 extension; define each namespace separately}}
 #else
-// expected-warning@-4 {{nested namespace definition is incompatible with C++ standards before C++1z}}
+// expected-warning@-4 {{nested namespace definition is incompatible with C++ standards before C++17}}
 #endif
   int foo(int x) { return x; }
 }
diff --git a/test/Preprocessor/init.c b/test/Preprocessor/init.c
index 3a8e5dbd3fd8..5a77d06d2403 100644
--- a/test/Preprocessor/init.c
+++ b/test/Preprocessor/init.c
@@ -4686,6 +4686,16 @@
 // RUN:   | FileCheck -match-full-lines -check-prefix MIPS-MSA %s
 // MIPS-MSA:#define __mips_msa 1
 //
+// RUN: %clang_cc1 -target-feature +nomadd4 \
+// RUN:   -E -dM -triple=mips-none-none < /dev/null \
+// RUN:   | FileCheck -match-full-lines -check-prefix MIPS-NOMADD4 %s
+// MIPS-NOMADD4:#define __mips_no_madd4 1
+//
+// RUN: %clang_cc1 \
+// RUN:   -E -dM -triple=mips-none-none < /dev/null \
+// RUN:   | FileCheck -match-full-lines -check-prefix MIPS-MADD4 %s
+// MIPS-MADD4-NOT:#define __mips_no_madd4 1
+//
 // RUN: %clang_cc1 -target-cpu mips32r3 -target-feature +nan2008 \
 // RUN:   -E -dM -triple=mips-none-none < /dev/null \
 // RUN:   | FileCheck -match-full-lines -check-prefix MIPS-NAN2008 %s
diff --git a/test/SemaCUDA/function-overload.cu b/test/SemaCUDA/function-overload.cu
index 3d4c29c42cee..adf488b5eea3 100644
--- a/test/SemaCUDA/function-overload.cu
+++ b/test/SemaCUDA/function-overload.cu
@@ -222,7 +222,7 @@ GlobalFnPtr fp_g = g;
 // Test overloading of destructors
 // Can't mix H and unattributed destructors
 struct d_h {
-  ~d_h() {} // expected-note {{previous declaration is here}}
+  ~d_h() {} // expected-note {{previous definition is here}}
   __host__ ~d_h() {} // expected-error {{destructor cannot be redeclared}}
 };
 
diff --git a/test/SemaCUDA/no-destructor-overload.cu b/test/SemaCUDA/no-destructor-overload.cu
index aa6971ee8ca8..32dbb8db76ec 100644
--- a/test/SemaCUDA/no-destructor-overload.cu
+++ b/test/SemaCUDA/no-destructor-overload.cu
@@ -7,27 +7,27 @@
 // giant change to clang, and the use cases seem quite limited.
 
 struct A {
-  ~A() {} // expected-note {{previous declaration is here}}
+  ~A() {} // expected-note {{previous definition is here}}
   __device__ ~A() {} // expected-error {{destructor cannot be redeclared}}
 };
 
 struct B {
-  __host__ ~B() {} // expected-note {{previous declaration is here}}
+  __host__ ~B() {} // expected-note {{previous definition is here}}
   __host__ __device__ ~B() {} // expected-error {{destructor cannot be redeclared}}
 };
 
 struct C {
-  __host__ __device__ ~C() {} // expected-note {{previous declaration is here}}
+  __host__ __device__ ~C() {} // expected-note {{previous definition is here}}
   __host__ ~C() {} // expected-error {{destructor cannot be redeclared}}
 };
 
 struct D {
-  __device__ ~D() {} // expected-note {{previous declaration is here}}
+  __device__ ~D() {} // expected-note {{previous definition is here}}
   __host__ __device__ ~D() {} // expected-error {{destructor cannot be redeclared}}
 };
 
 struct E {
-  __host__ __device__ ~E() {} // expected-note {{previous declaration is here}}
+  __host__ __device__ ~E() {} // expected-note {{previous definition is here}}
   __device__ ~E() {} // expected-error {{destructor cannot be redeclared}}
 };
 
diff --git a/test/SemaCXX/constant-expression-cxx1y.cpp b/test/SemaCXX/constant-expression-cxx1y.cpp
index ac4e0fd471ae..0c0cb0ec58a1 100644
--- a/test/SemaCXX/constant-expression-cxx1y.cpp
+++ b/test/SemaCXX/constant-expression-cxx1y.cpp
@@ -982,3 +982,9 @@ constexpr void PR28739(int n) { // expected-error {{never produces a constant}}
   int *p = &n;
   p += (__int128)(unsigned long)-1; // expected-note {{cannot refer to element 18446744073709551615 of non-array object in a constant expression}}
 }
+
+constexpr void Void(int n) {
+  void(n + 1);
+  void();
+}
+constexpr int void_test = (Void(0), 1);
diff --git a/test/SemaCXX/cxx0x-compat.cpp b/test/SemaCXX/cxx0x-compat.cpp
index bcf0cf11dc18..8f7aaab6a438 100644
--- a/test/SemaCXX/cxx0x-compat.cpp
+++ b/test/SemaCXX/cxx0x-compat.cpp
@@ -1,5 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -std=c++98 -Wc++11-compat -verify %s
-// RUN: %clang_cc1 -fsyntax-only -std=c++1z -Wc++11-compat -verify %s
+// RUN: %clang_cc1 -fsyntax-only -std=c++17 -Wc++11-compat -verify %s
 
 #if __cplusplus < 201103L
 
@@ -42,14 +42,14 @@ void h(size_t foo, size_t bar) {
 char c = 'x'_x; // expected-warning {{will be treated as a user-defined literal suffix}}
 
 template<int ...N> int f() { // expected-warning {{C++11 extension}}
-  return (N + ...); // expected-warning {{C++1z extension}}
+  return (N + ...); // expected-warning {{C++17 extension}}
 }
 
 #else
 
 auto init_capture = [a(0)] {}; // expected-warning {{initialized lambda captures are incompatible with C++ standards before C++14}}
-static_assert(true); // expected-warning {{incompatible with C++ standards before C++1z}}
+static_assert(true); // expected-warning {{incompatible with C++ standards before C++17}}
 
-template<int ...N> int f() { return (N + ...); } // expected-warning {{incompatible with C++ standards before C++1z}}
+template<int ...N> int f() { return (N + ...); } // expected-warning {{incompatible with C++ standards before C++17}}
 
 #endif
diff --git a/test/SemaCXX/cxx1z-class-template-argument-deduction.cpp b/test/SemaCXX/cxx1z-class-template-argument-deduction.cpp
index 668c24280258..9232a8b6eba0 100644
--- a/test/SemaCXX/cxx1z-class-template-argument-deduction.cpp
+++ b/test/SemaCXX/cxx1z-class-template-argument-deduction.cpp
@@ -286,6 +286,29 @@ namespace tuple_tests {
   }
 }
 
+namespace dependent {
+  template<typename T> struct X {
+    X(T);
+  };
+  template<typename T> int Var(T t) {
+    X x(t);
+    return X(x) + 1; // expected-error {{invalid operands}}
+  }
+  template<typename T> int Cast(T t) {
+    return X(X(t)) + 1; // expected-error {{invalid operands}}
+  }
+  template<typename T> int New(T t) {
+    return X(new X(t)) + 1; // expected-error {{invalid operands}}
+  };
+  template int Var(float); // expected-note {{instantiation of}}
+  template int Cast(float); // expected-note {{instantiation of}}
+  template int New(float); // expected-note {{instantiation of}}
+  template<typename T> int operator+(X<T>, int);
+  template int Var(int);
+  template int Cast(int);
+  template int New(int);
+}
+
 #else
 
 // expected-no-diagnostics
diff --git a/test/SemaCXX/cxx1z-init-statement.cpp b/test/SemaCXX/cxx1z-init-statement.cpp
index 4afe0402d13f..d37acd08ce77 100644
--- a/test/SemaCXX/cxx1z-init-statement.cpp
+++ b/test/SemaCXX/cxx1z-init-statement.cpp
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -std=c++1z -verify %s
+// RUN: %clang_cc1 -std=c++17 -verify %s
 
 void testIf() {
   int x = 0;
diff --git a/test/SemaCXX/deprecated.cpp b/test/SemaCXX/deprecated.cpp
index ac477d4b66bc..26f30c91b098 100644
--- a/test/SemaCXX/deprecated.cpp
+++ b/test/SemaCXX/deprecated.cpp
@@ -1,9 +1,9 @@
 // RUN: %clang_cc1 -std=c++98 %s -Wdeprecated -verify -triple x86_64-linux-gnu
 // RUN: %clang_cc1 -std=c++11 %s -Wdeprecated -verify -triple x86_64-linux-gnu
-// RUN: %clang_cc1 -std=c++1y %s -Wdeprecated -verify -triple x86_64-linux-gnu
-// RUN: %clang_cc1 -std=c++1z %s -Wdeprecated -verify -triple x86_64-linux-gnu
+// RUN: %clang_cc1 -std=c++14 %s -Wdeprecated -verify -triple x86_64-linux-gnu
+// RUN: %clang_cc1 -std=c++17 %s -Wdeprecated -verify -triple x86_64-linux-gnu
 
-// RUN: %clang_cc1 -std=c++1y %s -Wdeprecated -verify -triple x86_64-linux-gnu -Wno-deprecated-register -DNO_DEPRECATED_FLAGS
+// RUN: %clang_cc1 -std=c++14 %s -Wdeprecated -verify -triple x86_64-linux-gnu -Wno-deprecated-register -DNO_DEPRECATED_FLAGS
 
 #include "Inputs/register.h"
 
@@ -12,8 +12,8 @@ void h() throw(int);
 void i() throw(...);
 #if __cplusplus > 201402L
 // expected-warning@-4 {{dynamic exception specifications are deprecated}} expected-note@-4 {{use 'noexcept' instead}}
-// expected-error@-4 {{ISO C++1z does not allow dynamic exception specifications}} expected-note@-4 {{use 'noexcept(false)' instead}}
-// expected-error@-4 {{ISO C++1z does not allow dynamic exception specifications}} expected-note@-4 {{use 'noexcept(false)' instead}}
+// expected-error@-4 {{ISO C++17 does not allow dynamic exception specifications}} expected-note@-4 {{use 'noexcept(false)' instead}}
+// expected-error@-4 {{ISO C++17 does not allow dynamic exception specifications}} expected-note@-4 {{use 'noexcept(false)' instead}}
 #elif __cplusplus >= 201103L
 // expected-warning@-8 {{dynamic exception specifications are deprecated}} expected-note@-8 {{use 'noexcept' instead}}
 // expected-warning@-8 {{dynamic exception specifications are deprecated}} expected-note@-8 {{use 'noexcept(false)' instead}}
@@ -23,7 +23,7 @@ void i() throw(...);
 void stuff() {
   register int n;
 #if __cplusplus > 201402L
-  // expected-error@-2 {{ISO C++1z does not allow 'register' storage class specifier}}
+  // expected-error@-2 {{ISO C++17 does not allow 'register' storage class specifier}}
 #elif __cplusplus >= 201103L && !defined(NO_DEPRECATED_FLAGS)
   // expected-warning@-4 {{'register' storage class specifier is deprecated}}
 #endif
@@ -34,14 +34,14 @@ void stuff() {
   bool b;
   ++b;
 #if __cplusplus > 201402L
-  // expected-error@-2 {{ISO C++1z does not allow incrementing expression of type bool}}
+  // expected-error@-2 {{ISO C++17 does not allow incrementing expression of type bool}}
 #else
   // expected-warning@-4 {{incrementing expression of type bool is deprecated}}
 #endif
 
   b++;
 #if __cplusplus > 201402L
-  // expected-error@-2 {{ISO C++1z does not allow incrementing expression of type bool}}
+  // expected-error@-2 {{ISO C++17 does not allow incrementing expression of type bool}}
 #else
   // expected-warning@-4 {{incrementing expression of type bool is deprecated}}
 #endif
diff --git a/test/SemaCXX/inline.cpp b/test/SemaCXX/inline.cpp
index b20bc18d0a3f..ba29521ce504 100644
--- a/test/SemaCXX/inline.cpp
+++ b/test/SemaCXX/inline.cpp
@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 -fsyntax-only -verify %s
 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++14 %s
-// RUN: %clang_cc1 -fsyntax-only -verify -std=c++1z %s -Wc++98-c++11-c++14-compat
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++17 %s -Wc++98-c++11-c++14-compat
 
 // Check that we don't allow illegal uses of inline
 // (checking C++-only constructs here)
@@ -12,7 +12,7 @@ void localVar() {
 
 // Check that we warn appropriately.
 #if __cplusplus <= 201402L
-inline int a; // expected-warning{{inline variables are a C++1z extension}}
+inline int a; // expected-warning{{inline variables are a C++17 extension}}
 #else
-inline int a; // expected-warning{{inline variables are incompatible with C++ standards before C++1z}}
+inline int a; // expected-warning{{inline variables are incompatible with C++ standards before C++17}}
 #endif
diff --git a/test/SemaCXX/static-assert.cpp b/test/SemaCXX/static-assert.cpp
index 7de4d07b50b8..196375c3d687 100644
--- a/test/SemaCXX/static-assert.cpp
+++ b/test/SemaCXX/static-assert.cpp
@@ -49,5 +49,5 @@ struct X { ~X(); };
 StaticAssertProtected<int> sap1;
 StaticAssertProtected<X> sap2; // expected-note {{instantiation}}
 
-static_assert(true); // expected-warning {{C++1z extension}}
+static_assert(true); // expected-warning {{C++17 extension}}
 static_assert(false); // expected-error-re {{failed{{$}}}} expected-warning {{extension}}
diff --git a/test/SemaCXX/warn-c++1z-extensions.cpp b/test/SemaCXX/warn-c++1z-extensions.cpp
index 9b5e1c205cf3..a0d44a34ffed 100644
--- a/test/SemaCXX/warn-c++1z-extensions.cpp
+++ b/test/SemaCXX/warn-c++1z-extensions.cpp
@@ -1,8 +1,8 @@
 // RUN: %clang_cc1 -fsyntax-only -std=c++14 -verify %s
 
 void f() {
-  if (bool b = true; b) {} // expected-warning {{'if' initialization statements are a C++1z extension}}
-  switch (int n = 5; n) { // expected-warning {{'switch' initialization statements are a C++1z extension}}
+  if (bool b = true; b) {} // expected-warning {{'if' initialization statements are a C++17 extension}}
+  switch (int n = 5; n) { // expected-warning {{'switch' initialization statements are a C++17 extension}}
   case 5: break;
   }
 }
diff --git a/test/SemaCXX/warn-shadow.cpp b/test/SemaCXX/warn-shadow.cpp
index d5f0623eb320..3d09c786285a 100644
--- a/test/SemaCXX/warn-shadow.cpp
+++ b/test/SemaCXX/warn-shadow.cpp
@@ -213,3 +213,12 @@ typedef int externC; // expected-note {{previous declaration is here}}
 void handleLinkageSpec() {
   typedef void externC; // expected-warning {{declaration shadows a typedef in the global namespace}}
 }
+
+namespace PR33947 {
+void f(int a) {
+  struct A {
+    void g(int a) {}
+    A() { int a; }
+  };
+}
+}
diff --git a/test/SemaObjC/illegal-nonarc-bridged-cast.m b/test/SemaObjC/illegal-nonarc-bridged-cast.m
index f3406ef983cc..23c7b96e3709 100644
--- a/test/SemaObjC/illegal-nonarc-bridged-cast.m
+++ b/test/SemaObjC/illegal-nonarc-bridged-cast.m
@@ -1,8 +1,9 @@
-// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fblocks -verify %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fblocks -Wcast-qual -verify %s
 // rdar://10597832
 
 typedef const void *CFTypeRef;
 typedef const struct __CFString *CFStringRef;
+@class NSString;
 
 @interface NSString
 @end
@@ -18,7 +19,7 @@ NSString *CreateNSString();
 void from_cf() {
   id obj1 = (__bridge_transfer id)CFCreateSomething(); // expected-warning {{'__bridge_transfer' casts have no effect when not using ARC}}
   id obj2 = (__bridge_transfer NSString*)CFCreateString(); // expected-warning {{'__bridge_transfer' casts have no effect when not using ARC}}
-  (__bridge int*)CFCreateSomething(); // expected-warning {{expression result unused}}
+  (__bridge int*)CFCreateSomething(); // expected-warning {{expression result unused}} expected-warning {{cast from 'const void *' to 'int *' drops const qualifier}}
   id obj3 = (__bridge id)CFGetSomething();
   id obj4 = (__bridge NSString*)CFGetString();
 }
@@ -41,3 +42,15 @@ void to_cf_ignored(id obj) {
   CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething(); // no-warning
   CFTypeRef cf3 = (__bridge CFTypeRef)CreateSomething(); // no-warning
 }
+
+// Check that clang doesn't warn about dropping const from Objective-C object
+// types.
+void test_wcast_qual() {
+  CFStringRef c;
+  NSString *n0 = (NSString *)c;
+  NSString **n1 = (NSString **)&c;
+  const NSString *n2;
+  const NSString **n3;
+  void *p0 = (void *)n2;
+  void **p1 = (void **)n3;
+}
diff --git a/test/SemaTemplate/temp_arg_nontype_cxx11.cpp b/test/SemaTemplate/temp_arg_nontype_cxx11.cpp
index cfaad0cd0c96..0b8f0eed1601 100644
--- a/test/SemaTemplate/temp_arg_nontype_cxx11.cpp
+++ b/test/SemaTemplate/temp_arg_nontype_cxx11.cpp
@@ -25,7 +25,7 @@ namespace CanonicalNullptr {
 }
 
 namespace Auto {
-  template<auto> struct A { };  // expected-error {{until C++1z}}
+  template<auto> struct A { };  // expected-error {{until C++17}}
 }
 
 namespace check_conversion_early {
diff --git a/www/cxx_dr_status.html b/www/cxx_dr_status.html
index b03b3f0ef9c2..2a326e76aa6a 100644
--- a/www/cxx_dr_status.html
+++ b/www/cxx_dr_status.html
@@ -28,7 +28,7 @@
 <!--*************************************************************************-->
 <h1>C++ Defect Report Support in Clang</h1>
 <!--*************************************************************************-->
-<p>Last updated: $Date: 2017-05-10 00:21:24 +0200 (Wed, 10 May 2017) $</p>
+<p>Last updated: $Date: 2017-08-11 18:07:17 +0200 (Fri, 11 Aug 2017) $</p>
 
 <h2 id="cxxdr">C++ defect report implementation status</h2>
 
@@ -591,7 +591,7 @@
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#92">92</a></td>
     <td>CD4</td>
     <td>Should <I>exception-specification</I>s be part of the type system?</td>
-    <td class="svn" align="center">Clang 4 (C++17 onwards)</td>
+    <td class="full" align="center">Clang 4 (C++17 onwards)</td>
   </tr>
   <tr id="93">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#93">93</a></td>
@@ -813,7 +813,7 @@
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#129">129</a></td>
     <td>CD3</td>
     <td>Stability of uninitialized auto variables</td>
-    <td class="svn" align="center">Duplicate of <a href="#616">616</a></td>
+    <td class="full" align="center">Duplicate of <a href="#616">616</a></td>
   </tr>
   <tr id="130">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#130">130</a></td>
@@ -1480,7 +1480,7 @@ accessible?</td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#240">240</a></td>
     <td>CD3</td>
     <td>Uninitialized values and undefined behavior</td>
-    <td class="svn" align="center">Duplicate of <a href="#616">616</a></td>
+    <td class="full" align="center">Duplicate of <a href="#616">616</a></td>
   </tr>
   <tr id="241">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#241">241</a></td>
@@ -1594,7 +1594,7 @@ accessible?</td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#259">259</a></td>
     <td>CD1</td>
     <td>Restrictions on explicit specialization and instantiation</td>
-    <td class="svn" align="center">Clang 4</td>
+    <td class="full" align="center">Clang 4</td>
   </tr>
   <tr class="open" id="260">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#260">260</a></td>
@@ -1913,7 +1913,7 @@ of class templates</td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#312">312</a></td>
     <td>CD3</td>
     <td>&#8220;use&#8221; of invalid pointer value not defined</td>
-    <td class="svn" align="center">Duplicate of <a href="#616">616</a></td>
+    <td class="full" align="center">Duplicate of <a href="#616">616</a></td>
   </tr>
   <tr id="313">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#313">313</a></td>
@@ -2279,7 +2279,7 @@ of class templates</td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#373">373</a></td>
     <td>C++11</td>
     <td>Lookup on namespace qualified name in using-directive</td>
-    <td class="svn" align="center">SVN</td>
+    <td class="svn" align="center">Clang 5</td>
   </tr>
   <tr id="374">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#374">374</a></td>
@@ -3017,7 +3017,7 @@ of class templates</td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#496">496</a></td>
     <td>CD3</td>
     <td>Is a volatile-qualified type really a POD?</td>
-    <td class="none" align="center">Superseded by <a href="#dr2094">dr2094</a></td>
+    <td class="svn" align="center">Superseded by <a href="#2094">2094</a></td>
   </tr>
   <tr id="497">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#497">497</a></td>
@@ -3541,7 +3541,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#583">583</a></td>
     <td>CD3</td>
     <td>Relational pointer comparisons against the null pointer constant</td>
-    <td class="svn" align="center">Clang 4</td>
+    <td class="full" align="center">Clang 4</td>
   </tr>
   <tr id="584">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#584">584</a></td>
@@ -3613,7 +3613,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#595">595</a></td>
     <td>dup</td>
     <td>Exception specifications in templates instantiated from class bodies</td>
-    <td class="svn" align="center">Duplicate of <a href="#1330">1330</a></td>
+    <td class="full" align="center">Duplicate of <a href="#1330">1330</a></td>
   </tr>
   <tr class="open" id="596">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#596">596</a></td>
@@ -3739,7 +3739,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#616">616</a></td>
     <td>CD3</td>
     <td>Definition of &#8220;indeterminate value&#8221;</td>
-    <td class="svn" align="center">Clang 4</td>
+    <td class="full" align="center">Clang 4</td>
   </tr>
   <tr class="open" id="617">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#617">617</a></td>
@@ -5839,7 +5839,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1004">1004</a></td>
     <td>C++11</td>
     <td>Injected-class-names as arguments for template template parameters</td>
-    <td class="svn" align="center">SVN</td>
+    <td class="svn" align="center">Clang 5</td>
   </tr>
   <tr id="1005">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#1005">1005</a></td>
@@ -7093,7 +7093,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1213">1213</a></td>
     <td>CD3</td>
     <td>Array subscripting and xvalues</td>
-    <td class="svn" align="center">Clang 4</td>
+    <td class="full" align="center">Clang 4</td>
   </tr>
   <tr id="1214">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1214">1214</a></td>
@@ -7405,7 +7405,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1265">1265</a></td>
     <td>CD3</td>
     <td>Mixed use of the <TT>auto</TT> specifier</td>
-    <td class="svn" align="center">SVN</td>
+    <td class="svn" align="center">Clang 5</td>
   </tr>
   <tr class="open" id="1266">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#1266">1266</a></td>
@@ -7585,7 +7585,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1295">1295</a></td>
     <td>CD3</td>
     <td>Binding a reference to an rvalue bit-field</td>
-    <td class="svn" align="center">Clang 4</td>
+    <td class="full" align="center">Clang 4</td>
   </tr>
   <tr id="1296">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1296">1296</a></td>
@@ -7675,7 +7675,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1310">1310</a></td>
     <td>CD3</td>
     <td>What is an &#8220;acceptable lookup result?&#8221;</td>
-    <td class="svn" align="center">SVN</td>
+    <td class="svn" align="center">Clang 5</td>
   </tr>
   <tr id="1311">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1311">1311</a></td>
@@ -7795,7 +7795,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1330">1330</a></td>
     <td>CD3</td>
     <td>Delayed instantiation of <TT>noexcept</TT> specifiers</td>
-    <td class="svn" align="center">Clang 4 (C++11 onwards)</td>
+    <td class="full" align="center">Clang 4 (C++11 onwards)</td>
   </tr>
   <tr class="open" id="1331">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#1331">1331</a></td>
@@ -8143,7 +8143,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1388">1388</a></td>
     <td>CD3</td>
     <td>Missing non-deduced context following a function parameter pack</td>
-    <td class="svn" align="center">Clang 4</td>
+    <td class="full" align="center">Clang 4</td>
   </tr>
   <tr id="1389">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#1389">1389</a></td>
@@ -8209,7 +8209,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1399">1399</a></td>
     <td>CD3</td>
     <td>Deduction with multiple function parameter packs</td>
-    <td class="svn" align="center">Duplicate of <a href="#1388">1388</a></td>
+    <td class="full" align="center">Duplicate of <a href="#1388">1388</a></td>
   </tr>
   <tr id="1400">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#1400">1400</a></td>
@@ -8785,7 +8785,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1495">1495</a></td>
     <td>CD3</td>
     <td>Partial specialization of variadic class template</td>
-    <td class="svn" align="center">Clang 4</td>
+    <td class="full" align="center">Clang 4</td>
   </tr>
   <tr id="1496">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1496">1496</a></td>
@@ -8887,7 +8887,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1512">1512</a></td>
     <td>CD3</td>
     <td>Pointer comparison vs qualification conversions</td>
-    <td class="svn" align="center">Clang 4</td>
+    <td class="full" align="center">Clang 4</td>
   </tr>
   <tr class="open" id="1513">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#1513">1513</a></td>
@@ -8923,7 +8923,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1518">1518</a></td>
     <td>CD4</td>
     <td>Explicit default constructors and copy-list-initialization</td>
-    <td class="svn" align="center">Clang 4</td>
+    <td class="full" align="center">Clang 4</td>
   </tr>
   <tr id="1519">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#1519">1519</a></td>
@@ -9733,7 +9733,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1653">1653</a></td>
     <td>CD4</td>
     <td>Removing deprecated increment of <TT>bool</TT></td>
-    <td class="svn" align="center">Clang 4 (C++17 onwards)</td>
+    <td class="full" align="center">Clang 4 (C++17 onwards)</td>
   </tr>
   <tr id="1654">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#1654">1654</a></td>
@@ -9763,7 +9763,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1658">1658</a></td>
     <td>C++14</td>
     <td>Deleted default constructor for abstract class via destructor</td>
-    <td class="svn" align="center">SVN</td>
+    <td class="svn" align="center">Clang 5</td>
   </tr>
   <tr class="open" id="1659">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#1659">1659</a></td>
@@ -11161,7 +11161,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1891">1891</a></td>
     <td>CD4</td>
     <td>Move constructor/assignment for closure class</td>
-    <td class="svn" align="center">Clang 4</td>
+    <td class="full" align="center">Clang 4</td>
   </tr>
   <tr id="1892">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1892">1892</a></td>
@@ -12379,7 +12379,7 @@ and <I>POD class</I></td>
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#2094">2094</a></td>
     <td>DR</td>
     <td>Trivial copy/move constructor for class with volatile member</td>
-    <td class="full" align="center">Clang 5.0</td>
+    <td class="svn" align="center">Clang 5</td>
   </tr>
   <tr id="2095">
     <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#2095">2095</a></td>
diff --git a/www/cxx_status.html b/www/cxx_status.html
index 39c3147ca47c..4a4d44bd3679 100644
--- a/www/cxx_status.html
+++ b/www/cxx_status.html
@@ -26,7 +26,7 @@
 <!--*************************************************************************-->
 <h1>C++ Support in Clang</h1>
 <!--*************************************************************************-->
-<p>Last updated: $Date: 2017-07-15 17:51:59 +0200 (Sat, 15 Jul 2017) $</p>
+<p>Last updated: $Date: 2017-08-11 18:16:08 +0200 (Fri, 11 Aug 2017) $</p>
 
 <p>Clang fully implements all published ISO C++ standards (<a
 href="#cxx98">C++98 / C++03</a>, <a
@@ -854,9 +854,9 @@ and library features that are not part of standard C++.</p>
     <th>Available in Clang?</th>
  </tr>
     <tr>
-      <td rowspan="3">SD-6: SG10 feature test recommendations</td>
-      <td rowspan="3"><a href="http://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations">SD-6</a></td>
-      <td rowspan="3">N/A</td>
+      <td rowspan="4">SD-6: SG10 feature test recommendations</td>
+      <td rowspan="4"><a href="http://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations">SD-6</a></td>
+      <td rowspan="4">N/A</td>
       <td class="full" align="center">
         Clang 3.4 (<a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3745">N3745</a>)</br>
       </td>
@@ -871,6 +871,11 @@ and library features that are not part of standard C++.</p>
         Clang 4 (<a href="http://wg21.link/p0096r3">P0096R3</a>)</a>
       </td>
     </tr>
+    <tr>
+      <td class="svn" align="center">
+        Clang 5 (<a href="http://wg21.link/p0096r4">P0096R4</a>)</a>
+      </td>
+    </tr>
     <!-- FIXME: Implement latest recommendations.
     <tr>
       <td class="svn" align="center">
diff --git a/www/make_cxx_dr_status b/www/make_cxx_dr_status
index 8a05d41c08b5..f942db2ece9a 100755
--- a/www/make_cxx_dr_status
+++ b/www/make_cxx_dr_status
@@ -108,11 +108,11 @@ def availability(issue):
   if status == 'unknown':
     avail = 'Unknown'
     avail_style = ' class="none"'
-  elif status == '5':
+  elif status == '6':
     avail = 'SVN'
     avail_style = ' class="svn"'
-  elif status == '4':
-    avail = 'Clang 4'
+  elif status == '5':
+    avail = 'Clang 5'
     avail_style = ' class="svn"'
   elif re.match('^[0-9]+\.?[0-9]*', status):
     avail = 'Clang %s' % status