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Compiler type trait optimizations #2385

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Dec 10, 2021
Merged

Compiler type trait optimizations #2385

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2 changes: 1 addition & 1 deletion stl/inc/type_traits
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Original file line number Diff line number Diff line change
Expand Up @@ -1317,7 +1317,7 @@ struct _Identity {
using type = _Ty;
};
template <class _Ty>
using _Identity_t = typename _Identity<_Ty>::type;
using _Identity_t _MSVC_KNOWN_SEMANTICS = typename _Identity<_Ty>::type;

#if _HAS_CXX20
template <class _Ty>
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2 changes: 1 addition & 1 deletion stl/inc/xtr1common
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Expand Up @@ -220,7 +220,7 @@ template <class _Ty>
using _Const_thru_ref = typename remove_reference<_Ty>::_Const_thru_ref_type;

template <class _Ty>
using _Remove_cvref_t = remove_cv_t<remove_reference_t<_Ty>>;
using _Remove_cvref_t _MSVC_KNOWN_SEMANTICS = remove_cv_t<remove_reference_t<_Ty>>;

#if _HAS_CXX20
template <class _Ty>
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