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Diffstat (limited to 'docs/DiagnosticsReference.rst')
| -rw-r--r-- | docs/DiagnosticsReference.rst | 630 |
1 files changed, 559 insertions, 71 deletions
diff --git a/docs/DiagnosticsReference.rst b/docs/DiagnosticsReference.rst index 7294c3662027..d8c486fc3b3c 100644 --- a/docs/DiagnosticsReference.rst +++ b/docs/DiagnosticsReference.rst @@ -251,6 +251,28 @@ Some of the diagnostics controlled by this flag are enabled by default. Controls `-Wmost`_, `-Wparentheses`_, `-Wswitch`_, `-Wswitch-bool`_. +-Walloca-with-align-alignof +--------------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++--------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`second argument to \_\_builtin\_alloca\_with\_align is supposed to be in bits`| ++--------------------------------------------------------------------------------------------------------------------+ + + +-Wambiguous-delete +------------------ +This diagnostic is enabled by default. + +**Diagnostic text:** + ++------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`multiple suitable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`functions for` |nbsp| :placeholder:`B`:diagtext:`; no 'operator delete' function will be invoked if initialization throws an exception`| ++------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + + -Wambiguous-ellipsis -------------------- This diagnostic is enabled by default. @@ -482,7 +504,24 @@ This diagnostic is enabled by default. -Wasm ----- -Synonym for `-Wasm-operand-widths`_. +This diagnostic is enabled by default. + +Controls `-Wasm-ignored-qualifier`_, `-Wasm-operand-widths`_. + + +-Wasm-ignored-qualifier +----------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++----------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`ignored` |nbsp| :placeholder:`A` |nbsp| :diagtext:`qualifier on asm`| ++----------------------------------------------------------------------------------------------------------+ + ++-------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`meaningless 'volatile' on asm outside function`| ++-------------------------------------------------------------------------------------+ -Wasm-operand-widths @@ -697,21 +736,6 @@ This diagnostic is enabled by default. +-------------------------------------------------------------------------------+ --Wbad-array-new-length ----------------------- -This diagnostic is enabled by default. - -**Diagnostic text:** - -+--------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`array is too large (`:placeholder:`A` |nbsp| :diagtext:`elements)`| -+--------------------------------------------------------------------------------------------------------+ - -+-------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`array size is negative`| -+-------------------------------------------------------------+ - - -Wbad-function-cast ------------------- **Diagnostic text:** @@ -768,9 +792,26 @@ This diagnostic is enabled by default. **Diagnostic text:** -+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`implicit truncation from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to bitfield changes value from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`| -+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ ++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`implicit truncation from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to bit-field changes value from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`| ++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + + +-Wbitfield-enum-conversion +-------------------------- +**Diagnostic text:** + ++------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`bit-field` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not wide enough to store all enumerators of` |nbsp| :placeholder:`B`| ++------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + ++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`signed bit-field` |nbsp| :placeholder:`A` |nbsp| :diagtext:`needs an extra bit to represent the largest positive enumerators of` |nbsp| :placeholder:`B`| ++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + ++---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`assigning value of signed enum type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`to unsigned bit-field` |nbsp| :placeholder:`A`:diagtext:`; negative enumerators of enum` |nbsp| :placeholder:`B` |nbsp| :diagtext:`will be converted to positive values`| ++---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ -Wbitfield-width @@ -807,6 +848,17 @@ This diagnostic is enabled by default. +-----------------------------------------------------------------------------------------------------------+ +-Wblock-capture-autoreleasing +----------------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++-----------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`block captures an autoreleasing out-parameter, which may result in use-after-free bugs`| ++-----------------------------------------------------------------------------------------------------------------------------+ + + -Wbool-conversion ----------------- This diagnostic is enabled by default. @@ -1306,7 +1358,13 @@ Synonym for `-Wc++14-extensions`_. -------------- This diagnostic is enabled by default. -Controls `-Wdeprecated-increment-bool`_, `-Wdeprecated-register`_. +Also controls `-Wdeprecated-increment-bool`_, `-Wdeprecated-register`_. + +**Diagnostic text:** + ++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`mangled name of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`will change in C++17 due to non-throwing exception specification in function signature`| ++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ -Wc++1z-extensions @@ -1343,10 +1401,22 @@ Some of the diagnostics controlled by this flag are enabled by default. |:warning:`warning:` |nbsp| :diagtext:`hexadecimal floating literals are a C++1z feature`| +----------------------------------------------------------------------------------------+ ++----------------------------------------+--------------------+-------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`'`|+------------------+|:diagtext:`' initialization statements are a C++1z extension`| +| ||:diagtext:`if` || | +| |+------------------+| | +| ||:diagtext:`switch`|| | +| |+------------------+| | ++----------------------------------------+--------------------+-------------------------------------------------------------+ + +-----------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`inline variables are a C++1z extension`| +-----------------------------------------------------------------------------+ ++---------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`use of multiple declarators in a single using declaration is a C++1z extension`| ++---------------------------------------------------------------------------------------------------------------------+ + +-------------------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`nested namespace definition is a C++1z extension; define each namespace separately`| +-------------------------------------------------------------------------------------------------------------------------+ @@ -1367,6 +1437,10 @@ Some of the diagnostics controlled by this flag are enabled by default. |:warning:`warning:` |nbsp| :diagtext:`default scope specifier for attributes is a C++1z extension`| +--------------------------------------------------------------------------------------------------+ ++-----------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`pack expansion of using declaration is a C++1z extension`| ++-----------------------------------------------------------------------------------------------+ + -Wc++98-c++11-c++14-compat -------------------------- @@ -1396,6 +1470,14 @@ Some of the diagnostics controlled by this flag are enabled by default. |:warning:`warning:` |nbsp| :diagtext:`pack fold expression is incompatible with C++ standards before C++1z`| +-----------------------------------------------------------------------------------------------------------+ ++---------------------------+--------------------+----------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| |+------------------+| |nbsp| :diagtext:`initialization statements are incompatible with C++ standards before C++1z`| +| ||:diagtext:`if` || | +| |+------------------+| | +| ||:diagtext:`switch`|| | +| |+------------------+| | ++---------------------------+--------------------+----------------------------------------------------------------------------------------------+ + +--------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`inline variables are incompatible with C++ standards before C++1z`| +--------------------------------------------------------------------------------------------------------+ @@ -1412,6 +1494,10 @@ Some of the diagnostics controlled by this flag are enabled by default. |:warning:`warning:` |nbsp| :diagtext:`static\_assert with no message is incompatible with C++ standards before C++1z`| +---------------------------------------------------------------------------------------------------------------------+ ++-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`non-type template parameters declared with` |nbsp| :placeholder:`A` |nbsp| :diagtext:`are incompatible with C++ standards before C++1z`| ++-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + +-----------------------------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`template template parameter using 'typename' is incompatible with C++ standards before C++1z`| +-----------------------------------------------------------------------------------------------------------------------------------+ @@ -1424,6 +1510,14 @@ Some of the diagnostics controlled by this flag are enabled by default. |:warning:`warning:` |nbsp| :diagtext:`default scope specifier for attributes is incompatible with C++ standards before C++1z`| +-----------------------------------------------------------------------------------------------------------------------------+ ++------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`use of multiple declarators in a single using declaration is incompatible with C++ standards before C++1z`| ++------------------------------------------------------------------------------------------------------------------------------------------------+ + ++-----------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`pack expansion using declaration is incompatible with C++ standards before C++1z`| ++-----------------------------------------------------------------------------------------------------------------------+ + +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`'begin' and 'end' returning different types (`:placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`:diagtext:`) is incompatible with C++ standards before C++1z`| +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ @@ -1436,7 +1530,7 @@ Also controls `-Wc++98-c++11-c++14-compat`_. **Diagnostic text:** +---------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`hexidecimal floating literals are incompatible with C++ standards before C++1z`| +|:warning:`warning:` |nbsp| :diagtext:`hexadecimal floating literals are incompatible with C++ standards before C++1z`| +---------------------------------------------------------------------------------------------------------------------+ @@ -2176,10 +2270,6 @@ This diagnostic is enabled by default. |:warning:`warning:` |nbsp| :diagtext:`comparison of distinct pointer types`| +---------------------------------------------------------------------------+ -+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`comparison of distinct pointer types (`:placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`:diagtext:`) uses non-standard composite pointer type` |nbsp| :placeholder:`C`| -+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ - -Wcomplex-component-init ------------------------ @@ -2309,7 +2399,7 @@ This diagnostic is enabled by default. ------------ Some of the diagnostics controlled by this flag are enabled by default. -Also controls `-Wbool-conversion`_, `-Wconstant-conversion`_, `-Wenum-conversion`_, `-Wfloat-conversion`_, `-Wint-conversion`_, `-Wliteral-conversion`_, `-Wnon-literal-null-conversion`_, `-Wnull-conversion`_, `-Wobjc-literal-conversion`_, `-Wshorten-64-to-32`_, `-Wsign-conversion`_, `-Wstring-conversion`_. +Also controls `-Wbitfield-enum-conversion`_, `-Wbool-conversion`_, `-Wconstant-conversion`_, `-Wenum-conversion`_, `-Wfloat-conversion`_, `-Wint-conversion`_, `-Wliteral-conversion`_, `-Wnon-literal-null-conversion`_, `-Wnull-conversion`_, `-Wobjc-literal-conversion`_, `-Wshorten-64-to-32`_, `-Wsign-conversion`_, `-Wstring-conversion`_. **Diagnostic text:** @@ -2343,15 +2433,15 @@ Also controls `-Wbool-conversion`_, `-Wconstant-conversion`_, `-Wenum-conversion Synonym for `-Wnull-conversion`_. --Wcoreturn-without-coawait --------------------------- +-Wcoroutine +----------- This diagnostic is enabled by default. **Diagnostic text:** -+--------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`'co\_return' used in a function that uses neither 'co\_await' nor 'co\_yield'`| -+--------------------------------------------------------------------------------------------------------------------+ ++-----------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is required to declare the member 'unhandled\_exception()' when exceptions are enabled`| ++-----------------------------------------------------------------------------------------------------------------------------------------------------+ -Wcovered-switch-default @@ -2390,6 +2480,10 @@ Some of the diagnostics controlled by this flag are enabled by default. |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute parameter` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is negative and will be ignored`| +-------------------------------------------------------------------------------------------------------------------------------------------------------------+ ++---------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`nvcc does not allow '\_\_`:placeholder:`A`:diagtext:`\_\_' to appear after '()' in lambdas`| ++---------------------------------------------------------------------------------------------------------------------------------+ + +------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`ignored 'inline' attribute on kernel function` |nbsp| :placeholder:`A`| +------------------------------------------------------------------------------------------------------------+ @@ -2558,7 +2652,7 @@ Some of the diagnostics controlled by this flag are enabled by default. ------------ Some of the diagnostics controlled by this flag are enabled by default. -Also controls `-Wdeprecated-attributes`_, `-Wdeprecated-declarations`_, `-Wdeprecated-increment-bool`_, `-Wdeprecated-register`_, `-Wdeprecated-writable-strings`_. +Also controls `-Wdeprecated-attributes`_, `-Wdeprecated-declarations`_, `-Wdeprecated-dynamic-exception-spec`_, `-Wdeprecated-increment-bool`_, `-Wdeprecated-register`_, `-Wdeprecated-writable-strings`_. **Diagnostic text:** @@ -2596,10 +2690,6 @@ Also controls `-Wdeprecated-attributes`_, `-Wdeprecated-declarations`_, `-Wdepre |:warning:`warning:` |nbsp| :diagtext:`treating '`:placeholder:`A`:diagtext:`' input as '`:placeholder:`B`:diagtext:`' when in C++ mode, this behavior is deprecated`| +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+ -+--------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`dynamic exception specifications are deprecated`| -+--------------------------------------------------------------------------------------+ - +-----------------------------------------------------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`OpenCL version` |nbsp| :placeholder:`A` |nbsp| :diagtext:`does not support the option '`:placeholder:`B`:diagtext:`'`| +-----------------------------------------------------------------------------------------------------------------------------------------------------------+ @@ -2647,6 +2737,15 @@ This diagnostic is enabled by default. +-------------------------------------------------------------------------------------------------------------------------------------+ +-Wdeprecated-dynamic-exception-spec +----------------------------------- +**Diagnostic text:** + ++--------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`dynamic exception specifications are deprecated`| ++--------------------------------------------------------------------------------------+ + + -Wdeprecated-implementations ---------------------------- **Diagnostic text:** @@ -3089,6 +3188,17 @@ This diagnostic is enabled by default. +-----------------------------------------------------------------------------------------------------------------------------------+ +-Wduplicate-protocol +-------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++-----------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`duplicate protocol definition of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is ignored`| ++-----------------------------------------------------------------------------------------------------------------------------+ + + -Wdynamic-class-memaccess ------------------------- This diagnostic is enabled by default. @@ -3108,6 +3218,19 @@ This diagnostic is enabled by default. +---------------------------+-------------------------------+------------------------------------------------------------------------------------------------+----------------------------------------+---------------------------------------------------------------------------------------------+-------------------------+ +-Wdynamic-exception-spec +------------------------ +Some of the diagnostics controlled by this flag are enabled by default. + +Also controls `-Wdeprecated-dynamic-exception-spec`_. + +**Diagnostic text:** + ++--------------------------------------------------------------------------------------------+ +|:error:`error:` |nbsp| :diagtext:`ISO C++1z does not allow dynamic exception specifications`| ++--------------------------------------------------------------------------------------------+ + + -Weffc++ -------- Synonym for `-Wnon-virtual-dtor`_. @@ -3328,7 +3451,13 @@ This diagnostic is enabled by default. ------- Some of the diagnostics controlled by this flag are enabled by default. -Controls `-Wignored-qualifiers`_, `-Winitializer-overrides`_, `-Wmissing-field-initializers`_, `-Wmissing-method-return-type`_, `-Wsemicolon-before-method-body`_, `-Wsign-compare`_, `-Wunused-parameter`_. +Also controls `-Wignored-qualifiers`_, `-Winitializer-overrides`_, `-Wmissing-field-initializers`_, `-Wmissing-method-return-type`_, `-Wsemicolon-before-method-body`_, `-Wsign-compare`_, `-Wunused-parameter`_. + +**Diagnostic text:** + ++-----------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`call to function without interrupt attribute could clobber interruptee's VFP registers`| ++-----------------------------------------------------------------------------------------------------------------------------+ -Wextra-qualification @@ -3498,6 +3627,10 @@ Also controls `-Wformat-extra-args`_, `-Wformat-invalid-specifier`_, `-Wformat-s **Diagnostic text:** ++-------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`using '%%P' format specifier without precision`| ++-------------------------------------------------------------------------------------+ + +---------------------------+----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| |+--------------------------------------------+| |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' should not be used as format arguments; add an explicit cast to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`instead`| | ||:diagtext:`values of type` || | @@ -3514,6 +3647,10 @@ Also controls `-Wformat-extra-args`_, `-Wformat-invalid-specifier`_, `-Wformat-s | |+---------------------------+| | +------------------------------------------------------------------------------------------------------------------------------------+-----------------------------+------------------------+ ++----------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`using '`:placeholder:`A`:diagtext:`' format specifier annotation outside of os\_log()/os\_trace()`| ++----------------------------------------------------------------------------------------------------------------------------------------+ + +-----------------------------------------------------------------------------+-----------------------------+ |:warning:`warning:` |nbsp| :diagtext:`invalid position specified for` |nbsp| |+---------------------------+| | ||:diagtext:`field width` || @@ -3756,6 +3893,10 @@ Some of the diagnostics controlled by this flag are enabled by default. **Diagnostic text:** ++--------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`'diagnose\_if' is a clang extension`| ++--------------------------------------------------------------------------+ + +------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`'enable\_if' is a clang extension`| +------------------------------------------------------------------------+ @@ -4268,6 +4409,8 @@ This diagnostic is enabled by default. | |+----------------------------------------------------------------------------------------------------------------+| | ||:diagtext:`variables and functions` || | |+----------------------------------------------------------------------------------------------------------------+| +| ||:diagtext:`functions and global variables` || +| |+----------------------------------------------------------------------------------------------------------------+| | ||:diagtext:`functions, variables, and Objective-C interfaces` || | |+----------------------------------------------------------------------------------------------------------------+| | ||:diagtext:`functions and methods` || @@ -4280,6 +4423,8 @@ This diagnostic is enabled by default. | |+----------------------------------------------------------------------------------------------------------------+| | ||:diagtext:`functions, methods, and parameters` || | |+----------------------------------------------------------------------------------------------------------------+| +| ||:diagtext:`functions, methods, and global variables` || +| |+----------------------------------------------------------------------------------------------------------------+| | ||:diagtext:`classes` || | |+----------------------------------------------------------------------------------------------------------------+| | ||:diagtext:`enums` || @@ -4326,7 +4471,7 @@ This diagnostic is enabled by default. | |+----------------------------------------------------------------------------------------------------------------+| | ||:diagtext:`variables with static or thread storage duration` || | |+----------------------------------------------------------------------------------------------------------------+| -| ||:diagtext:`functions and global variables` || +| ||:diagtext:`functions, methods, properties, and global variables` || | |+----------------------------------------------------------------------------------------------------------------+| | ||:diagtext:`structs, unions, and typedefs` || | |+----------------------------------------------------------------------------------------------------------------+| @@ -4346,6 +4491,10 @@ This diagnostic is enabled by default. | |+----------------------------------------------------------------------------------------------------------------+| | ||:diagtext:`variables, functions, methods, types, enumerations, enumerators, labels, and non-static data members`|| | |+----------------------------------------------------------------------------------------------------------------+| +| ||:diagtext:`classes and enumerations` || +| |+----------------------------------------------------------------------------------------------------------------+| +| ||:diagtext:`named declarations` || +| |+----------------------------------------------------------------------------------------------------------------+| +------------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------+ @@ -4516,10 +4665,27 @@ This diagnostic is enabled by default. +--------------------------------------------------------------------------------------------------------+ +-Wignored-pragma-intrinsic +-------------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++------------------------------------------------------------------------------------------+------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not a recognized builtin`|+----------------------------------------------------------------------------+| +| || || +| |+----------------------------------------------------------------------------+| +| ||:diagtext:`; consider including <intrin.h> to access non-builtin intrinsics`|| +| |+----------------------------------------------------------------------------+| ++------------------------------------------------------------------------------------------+------------------------------------------------------------------------------+ + + -Wignored-pragmas ----------------- This diagnostic is enabled by default. +Also controls `-Wignored-pragma-intrinsic`_. + **Diagnostic text:** +------------------------------------------------------------------------------+---------------------------+-----------------------+ @@ -4538,6 +4704,10 @@ This diagnostic is enabled by default. | |+-------------------------+| | +-----------------------------------------------------------------------------------+---------------------------+-----------------------+ ++-----------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`OpenCL extension end directive mismatches begin directive - ignoring`| ++-----------------------------------------------------------------------------------------------------------+ + +----------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`'#pragma comment` |nbsp| :placeholder:`A`:diagtext:`' ignored`| +----------------------------------------------------------------------------------------------------+ @@ -4562,10 +4732,6 @@ This diagnostic is enabled by default. |:warning:`warning:` |nbsp| :diagtext:`missing ':' or ')' after` |nbsp| :placeholder:`A` |nbsp| :diagtext:`- ignoring`| +---------------------------------------------------------------------------------------------------------------------+ -+--------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`expected 'enable' or 'disable' - ignoring`| -+--------------------------------------------------------------------------------+ - +---------------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`expected identifier in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`| +---------------------------------------------------------------------------------------------------------------------+ @@ -4586,6 +4752,14 @@ This diagnostic is enabled by default. |:warning:`warning:` |nbsp| :diagtext:`expected non-wide string literal in '#pragma` |nbsp| :placeholder:`A`:diagtext:`'`| +------------------------------------------------------------------------------------------------------------------------+ ++-------------------------------------------------------+---------------------------------------------------+------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`expected` |nbsp| |+-------------------------------------------------+| |nbsp| :diagtext:`- ignoring`| +| ||:diagtext:`'enable', 'disable', 'begin' or 'end'`|| | +| |+-------------------------------------------------+| | +| ||:diagtext:`'disable'` || | +| |+-------------------------------------------------+| | ++-------------------------------------------------------+---------------------------------------------------+------------------------------+ + +-----------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`expected ')' or ',' in '#pragma` |nbsp| :placeholder:`A`:diagtext:`'`| +-----------------------------------------------------------------------------------------------------------+ @@ -4610,18 +4784,14 @@ This diagnostic is enabled by default. |:warning:`warning:` |nbsp| :diagtext:`extra tokens at end of '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`| +---------------------------------------------------------------------------------------------------------------------+ ++----------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`incorrect use of #pragma clang force\_cuda\_host\_device begin\|end`| ++----------------------------------------------------------------------------------------------------------+ + +-------------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`'#pragma init\_seg' is only supported when targeting a Microsoft environment`| +-------------------------------------------------------------------------------------------------------------------+ -+------------------------------------------------------------------------------------------+------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not a recognized builtin`|+----------------------------------------------------------------------------+| -| || || -| |+----------------------------------------------------------------------------+| -| ||:diagtext:`; consider including <intrin.h> to access non-builtin intrinsics`|| -| |+----------------------------------------------------------------------------+| -+------------------------------------------------------------------------------------------+------------------------------------------------------------------------------+ - +-----------------------------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`unknown action for '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`| +-----------------------------------------------------------------------------------------------------------------+ @@ -4894,6 +5064,25 @@ This diagnostic is enabled by default. +----------------------------------------------------------------------------+ +-Wincompatible-exception-spec +----------------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++--------------------------------------------------------------------------+----------------------+--------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`exception specifications of` |nbsp| |+--------------------+| |nbsp| :diagtext:`types differ`| +| ||:diagtext:`return` || | +| |+--------------------+| | +| ||:diagtext:`argument`|| | +| |+--------------------+| | ++--------------------------------------------------------------------------+----------------------+--------------------------------+ + ++-----------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`target exception specification is not superset of source`| ++-----------------------------------------------------------------------------------------------+ + + -Wincompatible-function-pointer-types ------------------------------------- This diagnostic is enabled by default. @@ -5081,6 +5270,15 @@ This diagnostic is enabled by default. +------------------------------------------------------------------------------------------------------------------------------------+ +-Winconsistent-missing-destructor-override +------------------------------------------ +**Diagnostic text:** + ++------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`overrides a destructor but is not marked 'override'`| ++------------------------------------------------------------------------------------------------------------------+ + + -Winconsistent-missing-override ------------------------------- This diagnostic is enabled by default. @@ -5133,6 +5331,21 @@ This diagnostic is enabled by default. +---------------------------------------------------------------------------------------------------------------------------------------+ +-Winjected-class-name +--------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------------+--------------------------------------------------------------+------------------------+---------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`ISO C++ specifies that qualified reference to` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a constructor name rather than a` |nbsp| |+-------------------------+| |nbsp| :diagtext:`in this context, despite preceding` |nbsp| |+----------------------+| |nbsp| :diagtext:`keyword`| +| ||:diagtext:`template name`|| ||:diagtext:`'typename'`|| | +| |+-------------------------+| |+----------------------+| | +| ||:diagtext:`type` || ||:diagtext:`'template'`|| | +| |+-------------------------+| |+----------------------+| | ++---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------------+--------------------------------------------------------------+------------------------+---------------------------+ + + -Winline -------- This diagnostic flag exists for GCC compatibility, and has no effect in Clang. @@ -5354,6 +5567,21 @@ Some of the diagnostics controlled by this flag are enabled by default. +------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-Winvalid-partial-specialization +-------------------------------- +This diagnostic is an error by default, but the flag ``-Wno-invalid-partial-specialization`` can be used to disable the error. + +**Diagnostic text:** + ++-----------------------+----------------------+-----------------------------------------------------------------------------------------------------+ +|:error:`error:` |nbsp| |+--------------------+| |nbsp| :diagtext:`template partial specialization is not more specialized than the primary template`| +| ||:diagtext:`class` || | +| |+--------------------+| | +| ||:diagtext:`variable`|| | +| |+--------------------+| | ++-----------------------+----------------------+-----------------------------------------------------------------------------------------------------+ + + -Winvalid-pch ------------- This diagnostic flag exists for GCC compatibility, and has no effect in Clang. @@ -5475,14 +5703,7 @@ This diagnostic is enabled by default. -Wliblto -------- -This diagnostic is enabled by default. - -**Diagnostic text:** - -+-------------------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`libLTO.dylib relative to clang installed dir not found; using 'ld' default search path instead`| -+-------------------------------------------------------------------------------------------------------------------------------------+ - +This diagnostic flag exists for GCC compatibility, and has no effect in Clang. -Wliteral-conversion -------------------- @@ -5529,9 +5750,13 @@ This diagnostic is enabled by default. **Diagnostic text:** -+-----------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`logical not is only applied to the left hand side of this comparison`| -+-----------------------------------------------------------------------------------------------------------+ ++--------------------------------------------------------------------------------------------------------+------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`logical not is only applied to the left hand side of this` |nbsp| |+----------------------------+| +| ||:diagtext:`comparison` || +| |+----------------------------+| +| ||:diagtext:`bitwise operator`|| +| |+----------------------------+| ++--------------------------------------------------------------------------------------------------------+------------------------------+ -Wlogical-op-parentheses @@ -5598,6 +5823,10 @@ Some of the diagnostics controlled by this flag are enabled by default. |:warning:`warning:` |nbsp| :diagtext:`variable named 'main' with external linkage has undefined behavior`| +---------------------------------------------------------------------------------------------------------+ ++------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`bool literal returned from 'main'`| ++------------------------------------------------------------------------+ + +---------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`'main' should not be declared static`| +---------------------------------------------------------------------------+ @@ -5636,6 +5865,21 @@ This diagnostic is enabled by default. +--------------------------------------------------------------------------------+ +-Wmax-unsigned-zero +------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++----------------------------------------------------------------+---------------------------------------+------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`taking the max of` |nbsp| |+-------------------------------------+| |nbsp| :diagtext:`is always equal to the other value`| +| ||:diagtext:`a value and unsigned zero`|| | +| |+-------------------------------------+| | +| ||:diagtext:`unsigned zero and a value`|| | +| |+-------------------------------------+| | ++----------------------------------------------------------------+---------------------------------------+------------------------------------------------------+ + + -Wmemsize-comparison -------------------- This diagnostic is enabled by default. @@ -6269,6 +6513,14 @@ This diagnostic is enabled by default. |:remark:`remark:` |nbsp| :diagtext:`finished building module '`:placeholder:`A`:diagtext:`'`| +--------------------------------------------------------------------------------------------+ ++-----------------------------------------------------------------------------------------------------------------------------------+ +|:remark:`remark:` |nbsp| :diagtext:`could not acquire lock file for module '`:placeholder:`A`:diagtext:`':` |nbsp| :placeholder:`B`| ++-----------------------------------------------------------------------------------------------------------------------------------+ + ++---------------------------------------------------------------------------------------------------------------------+ +|:remark:`remark:` |nbsp| :diagtext:`timed out waiting to acquire lock file for module '`:placeholder:`A`:diagtext:`'`| ++---------------------------------------------------------------------------------------------------------------------+ + -Wmodule-conflict ----------------- @@ -6280,6 +6532,10 @@ This diagnostic is enabled by default. |:warning:`warning:` |nbsp| :diagtext:`module '`:placeholder:`A`:diagtext:`' conflicts with already-imported module '`:placeholder:`B`:diagtext:`':` |nbsp| :placeholder:`C`| +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ ++-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`module file '`:placeholder:`A`:diagtext:`' was validated as a system module and is now being imported as a non-system module; any difference in diagnostic options will be ignored`| ++-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + -Wmodule-file-config-mismatch ----------------------------- @@ -6340,7 +6596,7 @@ This diagnostic is an error by default, but the flag ``-Wno-modules-import-neste ------ Some of the diagnostics controlled by this flag are enabled by default. -Controls `-Wcast-of-sel-type`_, `-Wchar-subscripts`_, `-Wcomment`_, `-Wdelete-non-virtual-dtor`_, `-Wextern-c-compat`_, `-Wfor-loop-analysis`_, `-Wformat`_, `-Wimplicit`_, `-Winfinite-recursion`_, `-Wmismatched-tags`_, `-Wmissing-braces`_, `-Wmove`_, `-Wmultichar`_, `-Wobjc-designated-initializers`_, `-Wobjc-missing-super-calls`_, `-Woverloaded-virtual`_, `-Wprivate-extern`_, `-Wreorder`_, `-Wreturn-type`_, `-Wself-assign`_, `-Wself-move`_, `-Wsizeof-array-argument`_, `-Wsizeof-array-decay`_, `-Wstring-plus-int`_, `-Wtrigraphs`_, `-Wuninitialized`_, `-Wunknown-pragmas`_, `-Wunused`_, `-Wvolatile-register-var`_. +Controls `-Wcast-of-sel-type`_, `-Wchar-subscripts`_, `-Wcomment`_, `-Wdelete-non-virtual-dtor`_, `-Wextern-c-compat`_, `-Wfor-loop-analysis`_, `-Wformat`_, `-Wimplicit`_, `-Winfinite-recursion`_, `-Wmismatched-tags`_, `-Wmissing-braces`_, `-Wmove`_, `-Wmultichar`_, `-Wobjc-designated-initializers`_, `-Wobjc-missing-super-calls`_, `-Woverloaded-virtual`_, `-Wprivate-extern`_, `-Wreorder`_, `-Wreturn-type`_, `-Wself-assign`_, `-Wself-move`_, `-Wsizeof-array-argument`_, `-Wsizeof-array-decay`_, `-Wstring-plus-int`_, `-Wtrigraphs`_, `-Wuninitialized`_, `-Wunknown-pragmas`_, `-Wunused`_, `-Wuser-defined-warnings`_, `-Wvolatile-register-var`_. -Wmove @@ -6353,6 +6609,17 @@ Controls `-Wpessimizing-move`_, `-Wredundant-move`_, `-Wself-move`_. Synonym for `-Wmicrosoft-include`_. +-Wmsvc-not-found +---------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++-------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`unable to find a Visual Studio installation; try running Clang from a developer command prompt`| ++-------------------------------------------------------------------------------------------------------------------------------------+ + + -Wmultichar ----------- This diagnostic is enabled by default. @@ -6447,9 +6714,9 @@ This diagnostic is enabled by default. ----------------------------------------- **Diagnostic text:** -+---------------------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`include of non-modular header inside framework module '`:placeholder:`A`:diagtext:`'`| -+---------------------------------------------------------------------------------------------------------------------------+ ++-----------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`include of non-modular header inside framework module '`:placeholder:`A`:diagtext:`': '`:placeholder:`B`:diagtext:`'`| ++-----------------------------------------------------------------------------------------------------------------------------------------------------------+ -Wnon-modular-include-in-module @@ -6458,9 +6725,9 @@ Also controls `-Wnon-modular-include-in-framework-module`_. **Diagnostic text:** -+-----------------------------------------------------------------------------------------------------------------+ -|:warning:`warning:` |nbsp| :diagtext:`include of non-modular header inside module '`:placeholder:`A`:diagtext:`'`| -+-----------------------------------------------------------------------------------------------------------------+ ++-------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`include of non-modular header inside module '`:placeholder:`A`:diagtext:`': '`:placeholder:`B`:diagtext:`'`| ++-------------------------------------------------------------------------------------------------------------------------------------------------+ -Wnon-pod-varargs @@ -6668,6 +6935,8 @@ This diagnostic is enabled by default. -------------------------- This diagnostic is enabled by default. +Also controls `-Wnullability-completeness-on-arrays`_. + **Diagnostic text:** +---------------------------+----------------------------+-----------------------------------------------------------------------------------------------------------+ @@ -6681,6 +6950,17 @@ This diagnostic is enabled by default. +---------------------------+----------------------------+-----------------------------------------------------------------------------------------------------------+ +-Wnullability-completeness-on-arrays +------------------------------------ +This diagnostic is enabled by default. + +**Diagnostic text:** + ++----------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`array parameter is missing a nullability type specifier (\_Nonnull, \_Nullable, or \_Null\_unspecified)`| ++----------------------------------------------------------------------------------------------------------------------------------------------+ + + -Wnullability-declspec ---------------------- This diagnostic is an error by default, but the flag ``-Wno-nullability-declspec`` can be used to disable the error. @@ -6711,6 +6991,21 @@ This diagnostic is an error by default, but the flag ``-Wno-nullability-declspec +---------------------------------------------------------------------------------------------------------------------------------+ +-Wnullability-inferred-on-nested-type +------------------------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++--------------------------------------------------------------------------------------------+-----------------------+---------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`inferring '\_Nonnull' for pointer type within` |nbsp| |+---------------------+| |nbsp| :diagtext:`is deprecated`| +| ||:diagtext:`array` || | +| |+---------------------+| | +| ||:diagtext:`reference`|| | +| |+---------------------+| | ++--------------------------------------------------------------------------------------------+-----------------------+---------------------------------+ + + -Wnullable-to-nonnull-conversion -------------------------------- **Diagnostic text:** @@ -7113,6 +7408,23 @@ This diagnostic is enabled by default. +-------------------------------------------------------------------------------------------------------------------------+ +-Wobjc-unsafe-perform-selector +------------------------------ +This diagnostic is enabled by default. + +**Diagnostic text:** + ++-------------------------------------------------------------------------------------------------------------------+--------------------+------------------------+ +|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is incompatible with selectors that return a` |nbsp| |+------------------+| |nbsp| :diagtext:`type`| +| ||:diagtext:`struct`|| | +| |+------------------+| | +| ||:diagtext:`union` || | +| |+------------------+| | +| ||:diagtext:`vector`|| | +| |+------------------+| | ++-------------------------------------------------------------------------------------------------------------------+--------------------+------------------------+ + + -Wodr ----- This diagnostic is enabled by default. @@ -7188,6 +7500,10 @@ This diagnostic is enabled by default. **Diagnostic text:** ++-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`The OpenMP offloading target '`:placeholder:`A`:diagtext:`' is similar to target '`:placeholder:`B`:diagtext:`' already specified - will be ignored.`| ++-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + +-----------------------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`declaration is not declared in any declare target region`| +-----------------------------------------------------------------------------------------------+ @@ -7468,6 +7784,10 @@ Also controls `-Wc++11-extra-semi`_, `-Wc++11-long-long`_, `-Wc++14-binary-liter |:warning:`warning:` |nbsp| :diagtext:`'enable\_if' is a clang extension`| +------------------------------------------------------------------------+ ++--------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`'diagnose\_if' is a clang extension`| ++--------------------------------------------------------------------------+ + +--------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`designated initializers are a C99 feature`| +--------------------------------------------------------------------------------+ @@ -8040,6 +8360,17 @@ This diagnostic is an error by default, but the flag ``-Wno-private-header`` can +----------------------------------------------------------------------------------------------------------------+ +-Wprivate-module +---------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++--------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`top-level module '`:placeholder:`A`:diagtext:`' in private module map, expected a submodule of '`:placeholder:`B`:diagtext:`'`| ++--------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + + -Wprofile-instr-out-of-date --------------------------- This diagnostic is enabled by default. @@ -8364,6 +8695,10 @@ Also controls `-Wreturn-type-c-linkage`_. | |+--------------------+| | +---------------------------------------------------+----------------------+-----------------------------------------------------------------+ ++--------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`control reaches end of non-void coroutine`| ++--------------------------------------------------------------------------------+ + +-------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`control reaches end of non-void function`| +-------------------------------------------------------------------------------+ @@ -8372,6 +8707,10 @@ Also controls `-Wreturn-type-c-linkage`_. |:warning:`warning:` |nbsp| :diagtext:`control reaches end of non-void lambda`| +-----------------------------------------------------------------------------+ ++----------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`control may reach end of non-void coroutine`| ++----------------------------------------------------------------------------------+ + +---------------------------------------------------------------------------------+ |:warning:`warning:` |nbsp| :diagtext:`control may reach end of non-void function`| +---------------------------------------------------------------------------------+ @@ -8586,6 +8925,14 @@ Also controls `-Wshadow-field-in-constructor-modified`_, `-Wshadow-ivar`_. | |||:diagtext:`field of` |nbsp| :placeholder:`C`| || | ||+--------------------------------------------+ || | |+-----------------------------------------------------------+| +| ||+----------------------------------------------+ || +| |||:diagtext:`typedef in` |nbsp| :placeholder:`C`| || +| ||+----------------------------------------------+ || +| |+-----------------------------------------------------------+| +| ||+-------------------------------------------------+ || +| |||:diagtext:`type alias in` |nbsp| :placeholder:`C`| || +| ||+-------------------------------------------------+ || +| |+-----------------------------------------------------------+| +--------------------------------------------------------------------+-------------------------------------------------------------+ @@ -8593,7 +8940,16 @@ Also controls `-Wshadow-field-in-constructor-modified`_, `-Wshadow-ivar`_. ------------ Some of the diagnostics controlled by this flag are enabled by default. -Controls `-Wshadow`_, `-Wshadow-field-in-constructor`_. +Controls `-Wshadow`_, `-Wshadow-field`_, `-Wshadow-field-in-constructor`_, `-Wshadow-uncaptured-local`_. + + +-Wshadow-field +-------------- +**Diagnostic text:** + ++------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`non-static data member '`:placeholder:`A`:diagtext:`' of '`:placeholder:`B`:diagtext:`' shadows member inherited from type '`:placeholder:`C`:diagtext:`'`| ++------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ -Wshadow-field-in-constructor @@ -8627,6 +8983,37 @@ This diagnostic is enabled by default. +------------------------------------------------------------------------------------------------------------------------------+ +-Wshadow-uncaptured-local +------------------------- +**Diagnostic text:** + ++--------------------------------------------------------------------+-------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`declaration shadows a` |nbsp| |+-----------------------------------------------------------+| +| ||:diagtext:`local variable` || +| |+-----------------------------------------------------------+| +| ||+-----------------------------------------------+ || +| |||:diagtext:`variable in` |nbsp| :placeholder:`C`| || +| ||+-----------------------------------------------+ || +| |+-----------------------------------------------------------+| +| ||+---------------------------------------------------------+|| +| |||:diagtext:`static data member of` |nbsp| :placeholder:`C`||| +| ||+---------------------------------------------------------+|| +| |+-----------------------------------------------------------+| +| ||+--------------------------------------------+ || +| |||:diagtext:`field of` |nbsp| :placeholder:`C`| || +| ||+--------------------------------------------+ || +| |+-----------------------------------------------------------+| +| ||+----------------------------------------------+ || +| |||:diagtext:`typedef in` |nbsp| :placeholder:`C`| || +| ||+----------------------------------------------+ || +| |+-----------------------------------------------------------+| +| ||+-------------------------------------------------+ || +| |||:diagtext:`type alias in` |nbsp| :placeholder:`C`| || +| ||+-------------------------------------------------+ || +| |+-----------------------------------------------------------+| ++--------------------------------------------------------------------+-------------------------------------------------------------+ + + -Wshift-count-negative ---------------------- This diagnostic is enabled by default. @@ -8726,6 +9113,15 @@ This diagnostic is enabled by default. ------------ This diagnostic flag exists for GCC compatibility, and has no effect in Clang. +-Wsigned-enum-bitfield +---------------------- +**Diagnostic text:** + ++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`enums in the Microsoft ABI are signed integers by default; consider giving the enum` |nbsp| :placeholder:`A` |nbsp| :diagtext:`an unsigned underlying type to make this code portable`| ++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + + -Wsizeof-array-argument ----------------------- This diagnostic is enabled by default. @@ -8767,6 +9163,17 @@ This diagnostic is enabled by default. +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------+---------------------------------------------------------------------------------------+ +-Wslash-u-filename +------------------ +This diagnostic is enabled by default. + +**Diagnostic text:** + ++--------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`'/U`:placeholder:`A`:diagtext:`' treated as the '/U' option`| ++--------------------------------------------------------------------------------------------------+ + + -Wsometimes-uninitialized ------------------------- **Diagnostic text:** @@ -8957,7 +9364,29 @@ This diagnostic flag exists for GCC compatibility, and has no effect in Clang. -Wstrict-prototypes ------------------- -This diagnostic flag exists for GCC compatibility, and has no effect in Clang. +**Diagnostic text:** + ++---------------------------------------------------+--------------------------------------------------------------+-------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`this` |nbsp| |+------------------------------------------------------------+| |nbsp| :diagtext:`a prototype`| +| ||:diagtext:`function declaration is not` || | +| |+------------------------------------------------------------+| | +| ||:diagtext:`old-style function definition is not preceded by`|| | +| |+------------------------------------------------------------+| | ++---------------------------------------------------+--------------------------------------------------------------+-------------------------------+ + + +-Wstrict-prototypes +------------------- +**Diagnostic text:** + ++---------------------------------------------------+--------------------------------------------------------------+-------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`this` |nbsp| |+------------------------------------------------------------+| |nbsp| :diagtext:`a prototype`| +| ||:diagtext:`function declaration is not` || | +| |+------------------------------------------------------------+| | +| ||:diagtext:`old-style function definition is not preceded by`|| | +| |+------------------------------------------------------------+| | ++---------------------------------------------------+--------------------------------------------------------------+-------------------------------+ + -Wstrict-selector-match ----------------------- @@ -9587,6 +10016,17 @@ This diagnostic is enabled by default. +-------------------------------------------------------------------------------------------------------------------------------------+ +-Wunable-to-open-stats-file +--------------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + ++-------------------------------------------------------------------------------------------------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`unable to open statistics output file '`:placeholder:`A`:diagtext:`': '`:placeholder:`B`:diagtext:`'`| ++-------------------------------------------------------------------------------------------------------------------------------------------+ + + -Wunavailable-declarations -------------------------- This diagnostic is enabled by default. @@ -10113,11 +10553,26 @@ This diagnostic is enabled by default. +------------------------------------------------------------------------------------------------------+ +-Wunusable-partial-specialization +--------------------------------- +This diagnostic is an error by default, but the flag ``-Wno-unusable-partial-specialization`` can be used to disable the error. + +**Diagnostic text:** + ++-----------------------+----------------------+--------------------------------------------------------------------+----------------------------------+------------------------------------------------------------------------------------------+ +|:error:`error:` |nbsp| |+--------------------+| |nbsp| :diagtext:`template partial specialization contains` |nbsp| |+--------------------------------+| |nbsp| :diagtext:`that cannot be deduced; this partial specialization will never be used`| +| ||:diagtext:`class` || ||:diagtext:`a template parameter`|| | +| |+--------------------+| |+--------------------------------+| | +| ||:diagtext:`variable`|| ||:diagtext:`template parameters` || | +| |+--------------------+| |+--------------------------------+| | ++-----------------------+----------------------+--------------------------------------------------------------------+----------------------------------+------------------------------------------------------------------------------------------+ + + -Wunused -------- Some of the diagnostics controlled by this flag are enabled by default. -Controls `-Wunused-argument`_, `-Wunused-function`_, `-Wunused-label`_, `-Wunused-local-typedef`_, `-Wunused-private-field`_, `-Wunused-property-ivar`_, `-Wunused-value`_, `-Wunused-variable`_. +Controls `-Wunused-argument`_, `-Wunused-function`_, `-Wunused-label`_, `-Wunused-lambda-capture`_, `-Wunused-local-typedef`_, `-Wunused-private-field`_, `-Wunused-property-ivar`_, `-Wunused-value`_, `-Wunused-variable`_. -Wunused-argument @@ -10237,6 +10692,19 @@ This diagnostic is enabled by default. +---------------------------------------------------------------------------+ +-Wunused-lambda-capture +----------------------- +**Diagnostic text:** + ++---------------------------------------------------------------------------------------------------------------+--------------------------------------------------+ +|:warning:`warning:` |nbsp| :diagtext:`lambda capture` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not` |nbsp| |+------------------------------------------------+| +| ||:diagtext:`used` || +| |+------------------------------------------------+| +| ||:diagtext:`required to be captured for this use`|| +| |+------------------------------------------------+| ++---------------------------------------------------------------------------------------------------------------+--------------------------------------------------+ + + -Wunused-local-typedef ---------------------- **Diagnostic text:** @@ -10384,6 +10852,15 @@ This diagnostic is enabled by default. +--------------------------------------------------------------------------------------------------------+----------------------------------------------------+ +-Wuser-defined-warnings +----------------------- +This diagnostic is enabled by default. + +**Diagnostic text:** + +The text of this diagnostic is not controlled by Clang. + + -Wvarargs --------- This diagnostic is enabled by default. @@ -10422,6 +10899,17 @@ This diagnostic is enabled by default. +------------------------------------------------------------------------+ +-Wvec-elem-size +--------------- +This diagnostic is an error by default, but the flag ``-Wno-vec-elem-size`` can be used to disable the error. + +**Diagnostic text:** + ++--------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +|:error:`error:` |nbsp| :diagtext:`vector operands do not have the same elements sizes (`:placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`:diagtext:`)`| ++--------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + + -Wvector-conversion ------------------- **Diagnostic text:** |