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Support LLVM_STATIC_ASSERT() in clang pre-C++11 mode

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198292 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alp Toker 2014-01-02 04:07:41 +00:00
parent e61c70a085
commit e7d30fb809
1 changed files with 6 additions and 0 deletions
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6
include/llvm/Support/Compiler.h
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@ -21,6 +21,10 @@
# define __has_feature(x) 0 # define __has_feature(x) 0
#endif #endif
#ifndef __has_extension
# define __has_extension(x) 0
#endif
#ifndef __has_attribute #ifndef __has_attribute
# define __has_attribute(x) 0 # define __has_attribute(x) 0
#endif #endif
@ -394,6 +398,8 @@
# define LLVM_STATIC_ASSERT(expr, msg) static_assert(expr, msg) # define LLVM_STATIC_ASSERT(expr, msg) static_assert(expr, msg)
#elif __has_feature(c_static_assert) #elif __has_feature(c_static_assert)
# define LLVM_STATIC_ASSERT(expr, msg) _Static_assert(expr, msg) # define LLVM_STATIC_ASSERT(expr, msg) _Static_assert(expr, msg)
#elif __has_extension(c_static_assert)
# define LLVM_STATIC_ASSERT(expr, msg) LLVM_EXTENSION _Static_assert(expr, msg)
#else #else
# define LLVM_STATIC_ASSERT(expr, msg) # define LLVM_STATIC_ASSERT(expr, msg)
#endif #endif