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Teach libc++ to use the compiler-provided C-compatible ::max_align_t 

rather than its own type for std::max_align_t. This is particularly
relevant as the types may not be ABI compatible despite users expecting
them to be.

llvm-svn: 201843
This commit is contained in:
Chandler Carruth 2014-02-21 08:37:30 +00:00
parent 7da9487dd4
commit 265b83a87f
1 changed files with 5 additions and 0 deletions
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5
libcxx/include/cstddef
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@ -52,7 +52,12 @@ _LIBCPP_BEGIN_NAMESPACE_STD
using ::ptrdiff_t;
using ::size_t;
#if defined(__CLANG_MAX_ALIGN_T_DEFINED) || defined(_GCC_MAX_ALIGN_T)
// Re-use the compiler's <stddef.h> max_align_t where possible.
using ::max_align_t;
#else
typedef long double max_align_t;
#endif
#ifdef _LIBCPP_HAS_NO_NULLPTR