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David Blaikie suggested this test for detecting constexpr on the error_category default constructor. Additionally I decided to make this constructor trivial as well, as I could not come up with a rationale for not doing so. Fully tested with both current Apple clang and tip-of-trunk clang.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@189034 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant
2013-08-22 17:41:48 +00:00
parent d7cddf6519
commit 8a1df3ca0c
2 changed files with 42 additions and 1 deletions
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3
include/system_error
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@@ -370,7 +370,8 @@ public:
#ifdef _LIBCPP_BUILDING_SYSTEM_ERROR
error_category() _NOEXCEPT;
#else
_LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR_AFTER_CXX11 error_category() _NOEXCEPT {}
_LIBCPP_ALWAYS_INLINE
_LIBCPP_CONSTEXPR_AFTER_CXX11 error_category() _NOEXCEPT = default;
#endif
private:
error_category(const error_category&);// = delete;