5 files changed, 10 insertions, 6 deletions
diff --git a/include/clang/Basic/DiagnosticFrontendKinds.td b/include/clang/Basic/DiagnosticFrontendKinds.td
index 1bc296babd3bf..ae5246d7929a5 100644
--- a/include/clang/Basic/DiagnosticFrontendKinds.td
+++ b/include/clang/Basic/DiagnosticFrontendKinds.td
@@ -130,6 +130,9 @@ def warn_pch_compiler_options_mismatch : Error<
 def warn_pch_access_control : Error<
     "C++ access control was %select{disabled|enabled}0 in the PCH file but "
     "is currently %select{disabled|enabled}1">;
+def warn_pch_char_signed : Error<
+    "char was %select{unsigned|signed}0 in the PCH file but "
+    "is currently %select{unsigned|signed}1">;
 
 def err_not_a_pch_file : Error<
     "'%0' does not appear to be a precompiled header file">, DefaultFatal;
diff --git a/include/clang/Basic/DiagnosticParseKinds.td b/include/clang/Basic/DiagnosticParseKinds.td
index 2912344e06f8b..81afac9a602e0 100644
--- a/include/clang/Basic/DiagnosticParseKinds.td
+++ b/include/clang/Basic/DiagnosticParseKinds.td
@@ -264,6 +264,8 @@ def warn_pragma_expected_rparen : Warning<
   "missing ')' after '#pragma %0' - ignoring">;
 def warn_pragma_expected_identifier : Warning<
   "expected identifier in '#pragma %0' - ignored">;  
+def warn_pragma_extra_tokens_at_eol : Warning<
+  "extra tokens at end of '#pragma %0' - ignored">; 
 // - #pragma pack
 def warn_pragma_pack_invalid_action : Warning<
   "unknown action for '#pragma pack' - ignored">;
diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td
index 41e73c178870c..4b9b7037e161f 100644
--- a/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/include/clang/Basic/DiagnosticSemaKinds.td
@@ -131,6 +131,8 @@ def warn_pragma_pack_pop_failed : Warning<"#pragma pack(pop, ...) failed: %0">;
 
 def warn_pragma_unused_expected_localvar : Warning<
   "only local variables can be arguments to '#pragma unused'">;
+def err_unsupported_pragma_weak : Error<
+  "using '#pragma weak' to refer to an undeclared identifier is not yet supported">;
 
 /// Objective-C parser diagnostics
 def err_duplicate_class_def : Error<
diff --git a/include/clang/Basic/LangOptions.h b/include/clang/Basic/LangOptions.h
index 92370cdd9efc2..7c578e32f814d 100644
--- a/include/clang/Basic/LangOptions.h
+++ b/include/clang/Basic/LangOptions.h
@@ -79,6 +79,7 @@ public:
 
   unsigned AccessControl     : 1; // Whether C++ access control should 
                                   // be enabled.
+  unsigned CharIsSigned      : 1; // Whether char is a signed or unsigned type
 private:
   unsigned GC : 2; // Objective-C Garbage Collection modes.  We declare
                    // this enum as unsigned because MSVC insists on making enums
@@ -137,6 +138,8 @@ public:
     GNUInline = 0;
     NoInline = 0;
 
+    CharIsSigned = 1;
+
     MainFileName = 0;
   }
   
diff --git a/include/clang/Basic/TargetInfo.h b/include/clang/Basic/TargetInfo.h
index f577d6b32287c..a59c60b002248 100644
--- a/include/clang/Basic/TargetInfo.h
+++ b/include/clang/Basic/TargetInfo.h
@@ -38,7 +38,6 @@ class TargetInfo {
 protected:
   // Target values set by the ctor of the actual target implementation.  Default
   // values are specified by the TargetInfo constructor.
-  bool CharIsSigned;
   bool TLSSupported;
   unsigned char PointerWidth, PointerAlign;
   unsigned char WCharWidth, WCharAlign;
@@ -88,11 +87,6 @@ public:
   IntType getIntPtrType() const { return IntPtrType; }
   IntType getWCharType() const { return WCharType; }
 
-  /// isCharSigned - Return true if 'char' is 'signed char' or false if it is
-  /// treated as 'unsigned char'.  This is implementation defined according to
-  /// C99 6.2.5p15.  In our implementation, this is target-specific.
-  bool isCharSigned() const { return CharIsSigned; }
-  
   /// getPointerWidth - Return the width of pointers on this target, for the
   /// specified address space.
   uint64_t getPointerWidth(unsigned AddrSpace) const {