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Revert "[C++11] Do not check __GXX_EXPERIMENTAL_CXX0X__."

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This reverts commit r204964 because it disabled "= delete", "constexpr"
and "explicit" on GCC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204973 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rui Ueyama 2014-03-27 22:36:06 +00:00
parent d5f800aab3
commit e159d3ec4a
1 changed files with 5 additions and 3 deletions
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8
include/llvm/Support/Compiler.h
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@ -104,13 +104,14 @@
/// public:
/// ...
/// };
#if __has_feature(cxx_deleted_functions) || LLVM_MSC_PREREQ(1800)
#if __has_feature(cxx_deleted_functions) || \
defined(__GXX_EXPERIMENTAL_CXX0X__) || LLVM_MSC_PREREQ(1800)
#define LLVM_DELETED_FUNCTION = delete
#else
#define LLVM_DELETED_FUNCTION
#endif
#if __has_feature(cxx_constexpr)
#if __has_feature(cxx_constexpr) || defined(__GXX_EXPERIMENTAL_CXX0X__)
# define LLVM_CONSTEXPR constexpr
#else
# define LLVM_CONSTEXPR
@ -325,7 +326,8 @@
/// \macro LLVM_EXPLICIT
/// \brief Expands to explicit on compilers which support explicit conversion
/// operators. Otherwise expands to nothing.
#if __has_feature(cxx_explicit_conversions) || LLVM_MSC_PREREQ(1800)
#if __has_feature(cxx_explicit_conversions) || \
defined(__GXX_EXPERIMENTAL_CXX0X__) || LLVM_MSC_PREREQ(1800)
#define LLVM_EXPLICIT explicit
#else
#define LLVM_EXPLICIT