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2011-10-15-Wc++98-compat warnings for the lexer.Richard Smith
This also adds a -Wc++98-compat-pedantic for warning on constructs which would be diagnosed by -std=c++98 -pedantic (that is, it warns even on C++11 features which we enable by default, with no warning, in C++98 mode). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142034 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Provide half floating point support as a storage only type.Anton Korobeynikov
Lack of half FP was a regression compared to llvm-gcc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142016 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Teach the ASTImporter not to import redundant fields.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142009 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14vfork comes from unistd.hJoerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142007 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Misc fixes for atomics. Biggest fix is doing alignment correctly for ↵Eli Friedman
_Atomic types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142002 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14-Wc++98-compat: warn on C++11 attributes and alignas.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141999 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Reinstate r141898 (reverted in r141921), without the ↵Richard Smith
-Wc++98-compat-variadic-templates flag. Consensus is that -Wc++98-compat is a useful addition to clang, but per-C++11-feature warnings may not be. Original patch by Jeffrey Yasskin. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141985 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14[temp.explicit]p1: constexpr cannot be specified in explicit instantiations.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141982 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Add flags for the remaining shift related warningsJoerg Sonnenberger
(-Wshift-count-negative, -Wshift-count-overflow). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141962 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14objc-arc: Improve arc diagnostic when method is notFariborz Jahanian
found in receiver's class. // rdar://9970739 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141961 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Under ARC, merge the bit corresponding to the ns_returns_retainedDouglas Gregor
attribute from the first declaration to later declarations. Fixes <rdar://problem/10142572>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141957 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Only warn in -Wliteral-conversion if the conversion loses informationMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141955 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Revert the -Wc++98-compat flag because dgregor doesn't like it.Jeffrey Yasskin
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141921 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Rename -Wc++0x-compat, -Wc++0x-extensions and -Wc++0x-narrowing from c++0x toRichard Smith
c++11. The old names are kept for backwards-compatibility. Patch by Ahmed Charles! Names for backwards-compatible DiagGroups removed by me. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141913 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Implement the first piece of a -Wc++98-compat flag so that people can build inJeffrey Yasskin
C++11 mode but keep their sources compatible with C++98. This patch implements the -Wc++98-compat-variadic-templates sub-flag and -Wc++98-compat to include it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141898 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Allow for annotate attributes after access specifiers. When suchErik Verbruggen
attributes are found, propagate them to subsequent declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141861 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Fix MSVC build.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141837 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Add returns_twice to functions that are known to return twice. This implementsRafael Espindola
the same behavior of gcc by keeping the attribute out of the function type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141803 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Implement built-in macro '__has_warning', which allows one to query if a ↵Ted Kremenek
warning flag is valid. Fixes <rdar://problem/10263428>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141802 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Switch diagnostic text from "C++0x" over to "C++11".Douglas Gregor
We'd also like for "C++11" or "c++11" to be used for the warning groups, but without removing the old warning flags. Patches welcome; I've run out of time to work on this today. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141801 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Fix typo in name of diagnostic.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141793 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Introduce BalancedDelimiterTracker, to better track open/closeDouglas Gregor
delimiter pairs and detect when we exceed the implementation limit for nesting depth, from Aaron Ballman! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141782 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Introduce SourceManager::getFileLoc which returns a file locationArgyrios Kyrtzidis
taking into account macro arguments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141771 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12constexpr: don't consider class types with mutable members to be literal types.Richard Smith
The standard doesn't allow this, but mutable constexpr variables break the semantics so badly that we can't reasonably accept them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141768 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Catch placeholder types in DefaultLvalueConversionJohn McCall
and DefaultFunctionArrayLvalueConversion. To prevent significant regression for should-this-be-a-call fixits, and to repair some such regression from the introduction of bound member placeholders, make those placeholder checks try to build calls appropriately. Harden the build-a-call logic while we're at it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141738 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Add a -Wc++0x-compat warning for C++11 keywords used as identifiers when inRichard Smith
C++98 mode. Only the first occurrence of each keyword will produce a warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141700 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Initial implementation of __atomic_* (everything except __atomic_is_lock_free).Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141632 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Place diagnostic group ext_typecheck_decl_incomplete_type under a -W flag.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141620 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-10Give nicer note when a member redeclaration has or lacks 'const'Kaelyn Uhrain
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141555 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-10Implement the restrictions in C++ [class.friend]p6, which disallowDouglas Gregor
defining a friend function with a qualified name or in a local class. Fixes PR9853. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141524 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-09Diagnose attempts to qualify the name of an instance variable orDouglas Gregor
property in an Objective-C++ member access expression. Fixes PR9759. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141522 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-09Diagnose attempts to declare a non-static data member with aDouglas Gregor
non-identifier name. Fixes PR10839. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141513 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07objc++: some minor cleanup and a test caseFariborz Jahanian
for atomic setters which requires assignment operator. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141415 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07Clang driver changes for iOS 5.0 and OS X Lion support.Bob Wilson
Check whether the libc++ library is available when using -stdlib=libc++, and also adjust the check for whether to link with -lgcc_s.1. Patch by Ted Kremenek and Daniel Dunbar. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141374 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06objc: Improve on diagnostic when atomic proeprty is synthesizedFariborz Jahanian
on one accessor and user-provide with another. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141343 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06llvm.memory.barrier is going away; remove the wrapper intrinsic ↵Eli Friedman
__builtin_llvm_memory_barrier. __atomic_thread_fence will be landing soon as a replacement, wrapping around the new fence instruction. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141332 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Support for C1x _Atomic specifier (see testcase). This is primarily being ↵Eli Friedman
committed at the moment to help support C++0x <atomic>, but it should be a solid base for implementing the full specification of C1x _Atomic. Thanks to Jeffrey Yasskin for the thorough review! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141330 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06objc++: For atomic properties of c++ class objec typet, appropriateFariborz Jahanian
operator= is called. Issue a warning for non-trivial case until runtime support is provided. // rdar://6137845 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141302 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06PR11067: A definition of a constexpr static variable doesn't need an ↵Richard Smith
initializer if the in-class declaration had one. Such a declaration must be initialized by a constant expression. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141279 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06OpenCL: add a non-standard extension, cl_clang_storage_class_specifiers,Peter Collingbourne
which enables support for C99 storage-class specifiers. This extension is intended to be used by implementations to implement OpenCL C built-in functions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141271 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Add -Wlanguage-extension-token option for ext_token_used warning.Ivan Krasin
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141268 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Clang-side build system infrastructure for multiple tblgens.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141267 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Driver & AST: Implement support for -fpack-struct and -fpack-struct= commandDaniel Dunbar
line options. - <rdar://problem/10120602>, PR9631 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141211 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04[driver] Improve r141053 by only emitting the warning if the original inputChad Rosier
was assembly. Otherwise, something like -save-temps causes the integrated assembler to warn. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141127 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04objc: Turn diagnostic on property type mismatch inFariborz Jahanian
continuation class into warning. // rdar://10231514 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141100 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04Place diagnostic warn_atomic_property_rule under a -W flag. Fixes ↵Ted Kremenek
<rdar://problem/10230631>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141089 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04Place diagnostic warn_ownin_getter_rule under a -W flag. Fixes ↵Ted Kremenek
<rdar://problem/10230626>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141088 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04Place diagnostic ext_predef_outside_function under a -W flag. Fixes ↵Ted Kremenek
<rdar://problem/10226192>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141087 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04Place warning warn_drv_no_debug_w_integrated_as under a -W flag.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141078 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04[driver] Emit a warning if the user has requested debug information and we'reChad Rosier
using the integrated assembler. rdar://10216353 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141053 91177308-0d34-0410-b5e6-96231b3b80d8
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