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Remove libc++ checks and workarounds for unsupported old versions of GCC (<4.9).

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Differential Revision: https://reviews.llvm.org/D61107


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@359232 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Smith
2019-04-25 20:02:10 +00:00
parent 8a590a4c20
commit ee568af1f1
3 changed files with 39 additions and 68 deletions
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38
include/__config
View File

@@ -519,13 +519,11 @@ typedef __char32_t char32_t;
#define _LIBCPP_NORETURN __attribute__((noreturn)) #define _LIBCPP_NORETURN __attribute__((noreturn))
#if _GNUC_VER >= 407
#define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) #define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T)
#define _LIBCPP_IS_LITERAL(T) __is_literal_type(T) #define _LIBCPP_IS_LITERAL(T) __is_literal_type(T)
#define _LIBCPP_HAS_IS_FINAL #define _LIBCPP_HAS_IS_FINAL
#endif
#if defined(__GNUC__) && _GNUC_VER >= 403 #if defined(__GNUC__)
#define _LIBCPP_HAS_IS_BASE_OF #define _LIBCPP_HAS_IS_BASE_OF
#endif #endif
@@ -533,26 +531,19 @@ typedef __char32_t char32_t;
#define _LIBCPP_NO_EXCEPTIONS #define _LIBCPP_NO_EXCEPTIONS
#endif #endif
// constexpr was added to GCC in 4.6.
#if _GNUC_VER < 406
# define _LIBCPP_HAS_NO_CONSTEXPR
// Can only use constexpr in c++11 mode.
#elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L
# define _LIBCPP_HAS_NO_CONSTEXPR
#endif
// Determine if GCC supports relaxed constexpr // Determine if GCC supports relaxed constexpr
#if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L #if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L
#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
#endif #endif
// GCC 5 will support variable templates // GCC 5 supports variable templates
#if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L #if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L
#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
#endif #endif
#ifndef __GXX_EXPERIMENTAL_CXX0X__ #ifndef __GXX_EXPERIMENTAL_CXX0X__
#define _LIBCPP_HAS_NO_CONSTEXPR
#define _LIBCPP_HAS_NO_DECLTYPE #define _LIBCPP_HAS_NO_DECLTYPE
#define _LIBCPP_HAS_NO_NULLPTR #define _LIBCPP_HAS_NO_NULLPTR
#define _LIBCPP_HAS_NO_UNICODE_CHARS #define _LIBCPP_HAS_NO_UNICODE_CHARS
@@ -561,25 +552,6 @@ typedef __char32_t char32_t;
#define _LIBCPP_HAS_NO_STRONG_ENUMS #define _LIBCPP_HAS_NO_STRONG_ENUMS
#define _LIBCPP_HAS_NO_NOEXCEPT #define _LIBCPP_HAS_NO_NOEXCEPT
#else // __GXX_EXPERIMENTAL_CXX0X__
#if _GNUC_VER < 403
#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
#endif
#if _GNUC_VER < 404
#define _LIBCPP_HAS_NO_DECLTYPE
#define _LIBCPP_HAS_NO_UNICODE_CHARS
#define _LIBCPP_HAS_NO_VARIADICS
#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
#endif // _GNUC_VER < 404
#if _GNUC_VER < 406
#define _LIBCPP_HAS_NO_NOEXCEPT
#define _LIBCPP_HAS_NO_NULLPTR
#endif
#endif // __GXX_EXPERIMENTAL_CXX0X__ #endif // __GXX_EXPERIMENTAL_CXX0X__
#if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__) #if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__)
@@ -883,7 +855,7 @@ template <unsigned> struct __static_assert_check {};
#ifdef _LIBCPP_HAS_NO_DECLTYPE #ifdef _LIBCPP_HAS_NO_DECLTYPE
// GCC 4.6 provides __decltype in all standard modes. // GCC 4.6 provides __decltype in all standard modes.
# if __has_keyword(__decltype) || _LIBCPP_CLANG_VER >= 304 || _GNUC_VER >= 406 # if __has_keyword(__decltype) || _LIBCPP_CLANG_VER >= 304 || defined(_LIBCPP_COMPILER_GCC)
# define decltype(__x) __decltype(__x) # define decltype(__x) __decltype(__x)
# else # else
# define decltype(__x) __typeof__(__x) # define decltype(__x) __typeof__(__x)
@@ -1219,7 +1191,7 @@ _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container(
#if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic) #if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic)
# define _LIBCPP_HAS_C_ATOMIC_IMP # define _LIBCPP_HAS_C_ATOMIC_IMP
#elif _GNUC_VER > 407 #elif defined(_LIBCPP_COMPILER_GCC)
# define _LIBCPP_HAS_GCC_ATOMIC_IMP # define _LIBCPP_HAS_GCC_ATOMIC_IMP
#endif #endif

6
include/memory
View File

@@ -683,7 +683,7 @@ inline _LIBCPP_INLINE_VISIBILITY
_ValueType __libcpp_relaxed_load(_ValueType const* __value) { _ValueType __libcpp_relaxed_load(_ValueType const* __value) {
#if !defined(_LIBCPP_HAS_NO_THREADS) && \ #if !defined(_LIBCPP_HAS_NO_THREADS) && \
defined(__ATOMIC_RELAXED) && \ defined(__ATOMIC_RELAXED) && \
(__has_builtin(__atomic_load_n) || _GNUC_VER >= 407) (__has_builtin(__atomic_load_n) || defined(_LIBCPP_COMPILER_GCC))
return __atomic_load_n(__value, __ATOMIC_RELAXED); return __atomic_load_n(__value, __ATOMIC_RELAXED);
#else #else
return *__value; return *__value;
@@ -695,7 +695,7 @@ inline _LIBCPP_INLINE_VISIBILITY
_ValueType __libcpp_acquire_load(_ValueType const* __value) { _ValueType __libcpp_acquire_load(_ValueType const* __value) {
#if !defined(_LIBCPP_HAS_NO_THREADS) && \ #if !defined(_LIBCPP_HAS_NO_THREADS) && \
defined(__ATOMIC_ACQUIRE) && \ defined(__ATOMIC_ACQUIRE) && \
(__has_builtin(__atomic_load_n) || _GNUC_VER >= 407) (__has_builtin(__atomic_load_n) || defined(_LIBCPP_COMPILER_GCC))
return __atomic_load_n(__value, __ATOMIC_ACQUIRE); return __atomic_load_n(__value, __ATOMIC_ACQUIRE);
#else #else
return *__value; return *__value;
@@ -3466,7 +3466,7 @@ uninitialized_move_n(_InputIt __first, _Size __n, _ForwardIt __first_res) {
&& defined(__ATOMIC_RELAXED) \ && defined(__ATOMIC_RELAXED) \
&& defined(__ATOMIC_ACQ_REL) && defined(__ATOMIC_ACQ_REL)
# define _LIBCPP_HAS_BUILTIN_ATOMIC_SUPPORT # define _LIBCPP_HAS_BUILTIN_ATOMIC_SUPPORT
#elif !defined(__clang__) && defined(_GNUC_VER) && _GNUC_VER >= 407 #elif defined(_LIBCPP_COMPILER_GCC)
# define _LIBCPP_HAS_BUILTIN_ATOMIC_SUPPORT # define _LIBCPP_HAS_BUILTIN_ATOMIC_SUPPORT
#endif #endif

63
include/type_traits
View File

@@ -833,7 +833,7 @@ _LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool is_rvalue_reference_v
#endif #endif
// is_union // is_union
#if __has_feature(is_union) || (_GNUC_VER >= 403) #if __has_feature(is_union) || defined(_LIBCPP_COMPILER_GCC)
template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_union template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_union
: public integral_constant<bool, __is_union(_Tp)> {}; : public integral_constant<bool, __is_union(_Tp)> {};
@@ -854,7 +854,7 @@ _LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool is_union_v
// is_class // is_class
#if __has_feature(is_class) || (_GNUC_VER >= 403) #if __has_feature(is_class) || defined(_LIBCPP_COMPILER_GCC)
template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_class template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_class
: public integral_constant<bool, __is_class(_Tp)> {}; : public integral_constant<bool, __is_class(_Tp)> {};
@@ -976,7 +976,7 @@ _LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool is_member_object_pointer_v
// is_enum // is_enum
#if __has_feature(is_enum) || (_GNUC_VER >= 403) #if __has_feature(is_enum) || defined(_LIBCPP_COMPILER_GCC)
template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_enum template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_enum
: public integral_constant<bool, __is_enum(_Tp)> {}; : public integral_constant<bool, __is_enum(_Tp)> {};
@@ -1617,7 +1617,7 @@ inline constexpr bool is_nothrow_convertible_v = is_nothrow_convertible<_Fm, _To
// is_empty // is_empty
#if __has_feature(is_empty) || (_GNUC_VER >= 407) #if __has_feature(is_empty) || defined(_LIBCPP_COMPILER_GCC)
template <class _Tp> template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS is_empty struct _LIBCPP_TEMPLATE_VIS is_empty
@@ -1680,7 +1680,7 @@ _LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool is_polymorphic_v
// has_virtual_destructor // has_virtual_destructor
#if __has_feature(has_virtual_destructor) || (_GNUC_VER >= 403) #if __has_feature(has_virtual_destructor) || defined(_LIBCPP_COMPILER_GCC)
template <class _Tp> struct _LIBCPP_TEMPLATE_VIS has_virtual_destructor template <class _Tp> struct _LIBCPP_TEMPLATE_VIS has_virtual_destructor
: public integral_constant<bool, __has_virtual_destructor(_Tp)> {}; : public integral_constant<bool, __has_virtual_destructor(_Tp)> {};
@@ -2498,8 +2498,7 @@ struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...) const volatil
typedef _Rp (_FnType) (_Param..., ...); typedef _Rp (_FnType) (_Param..., ...);
}; };
#if __has_feature(cxx_reference_qualified_functions) || \ #if __has_feature(cxx_reference_qualified_functions) || defined(_LIBCPP_COMPILER_GCC)
(defined(_GNUC_VER) && _GNUC_VER >= 409)
template <class _Rp, class _Class, class ..._Param> template <class _Rp, class _Class, class ..._Param>
struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) &, true, false> struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param...) &, true, false>
@@ -2629,7 +2628,7 @@ struct __member_pointer_traits_imp<_Rp (_Class::*)(_Param..., ...) const volatil
typedef _Rp (_FnType) (_Param..., ...); typedef _Rp (_FnType) (_Param..., ...);
}; };
#endif // __has_feature(cxx_reference_qualified_functions) || _GNUC_VER >= 409 #endif // __has_feature(cxx_reference_qualified_functions) || defined(_LIBCPP_COMPILER_GCC)
#else // _LIBCPP_HAS_NO_VARIADICS #else // _LIBCPP_HAS_NO_VARIADICS
@@ -3503,7 +3502,7 @@ struct _LIBCPP_TEMPLATE_VIS is_trivially_constructible
template <class _Tp> template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS is_trivially_constructible<_Tp> struct _LIBCPP_TEMPLATE_VIS is_trivially_constructible<_Tp>
#if __has_feature(has_trivial_constructor) || (_GNUC_VER >= 403) #if __has_feature(has_trivial_constructor) || defined(_LIBCPP_COMPILER_GCC)
: integral_constant<bool, __has_trivial_constructor(_Tp)> : integral_constant<bool, __has_trivial_constructor(_Tp)>
#else #else
: integral_constant<bool, is_scalar<_Tp>::value> : integral_constant<bool, is_scalar<_Tp>::value>
@@ -3734,7 +3733,7 @@ _LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool is_trivially_move_assignable_v
template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_trivially_destructible template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_trivially_destructible
: public integral_constant<bool, __is_trivially_destructible(_Tp)> {}; : public integral_constant<bool, __is_trivially_destructible(_Tp)> {};
#elif __has_feature(has_trivial_destructor) || (_GNUC_VER >= 403) #elif __has_feature(has_trivial_destructor) || defined(_LIBCPP_COMPILER_GCC)
template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_trivially_destructible template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_trivially_destructible
: public integral_constant<bool, is_destructible<_Tp>::value && __has_trivial_destructor(_Tp)> {}; : public integral_constant<bool, is_destructible<_Tp>::value && __has_trivial_destructor(_Tp)> {};
@@ -3769,7 +3768,7 @@ template <class _Tp, class... _Args>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible
: public integral_constant<bool, __is_nothrow_constructible(_Tp, _Args...)> {}; : public integral_constant<bool, __is_nothrow_constructible(_Tp, _Args...)> {};
#elif __has_feature(cxx_noexcept) || (_GNUC_VER >= 407 && __cplusplus >= 201103L) #elif !defined(_LIBCPP_HAS_NO_NOEXCEPT)
template <bool, bool, class _Tp, class... _Args> struct __libcpp_is_nothrow_constructible; template <bool, bool, class _Tp, class... _Args> struct __libcpp_is_nothrow_constructible;
@@ -3806,7 +3805,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp[_Ns]>
{ {
}; };
#else // __has_keyword(__is_nothrow_constructible) || __has_feature(cxx_noexcept) #else // __has_keyword(__is_nothrow_constructible) || !defined(_LIBCPP_HAS_NO_NOEXCEPT)
template <class _Tp, class... _Args> template <class _Tp, class... _Args>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible
@@ -3816,7 +3815,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible
template <class _Tp> template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp> struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp>
#if __has_feature(has_nothrow_constructor) || (_GNUC_VER >= 403) #if __has_feature(has_nothrow_constructor) || defined(_LIBCPP_COMPILER_GCC)
: integral_constant<bool, __has_nothrow_constructor(_Tp)> : integral_constant<bool, __has_nothrow_constructor(_Tp)>
#else #else
: integral_constant<bool, is_scalar<_Tp>::value> : integral_constant<bool, is_scalar<_Tp>::value>
@@ -3830,7 +3829,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, _Tp&&>
#else #else
struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, _Tp> struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, _Tp>
#endif #endif
#if __has_feature(has_nothrow_copy) || (_GNUC_VER >= 403) #if __has_feature(has_nothrow_copy) || defined(_LIBCPP_COMPILER_GCC)
: integral_constant<bool, __has_nothrow_copy(_Tp)> : integral_constant<bool, __has_nothrow_copy(_Tp)>
#else #else
: integral_constant<bool, is_scalar<_Tp>::value> : integral_constant<bool, is_scalar<_Tp>::value>
@@ -3840,7 +3839,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, _Tp>
template <class _Tp> template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, const _Tp&> struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, const _Tp&>
#if __has_feature(has_nothrow_copy) || (_GNUC_VER >= 403) #if __has_feature(has_nothrow_copy) || defined(_LIBCPP_COMPILER_GCC)
: integral_constant<bool, __has_nothrow_copy(_Tp)> : integral_constant<bool, __has_nothrow_copy(_Tp)>
#else #else
: integral_constant<bool, is_scalar<_Tp>::value> : integral_constant<bool, is_scalar<_Tp>::value>
@@ -3850,7 +3849,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, const _Tp&>
template <class _Tp> template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, _Tp&> struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, _Tp&>
#if __has_feature(has_nothrow_copy) || (_GNUC_VER >= 403) #if __has_feature(has_nothrow_copy) || defined(_LIBCPP_COMPILER_GCC)
: integral_constant<bool, __has_nothrow_copy(_Tp)> : integral_constant<bool, __has_nothrow_copy(_Tp)>
#else #else
: integral_constant<bool, is_scalar<_Tp>::value> : integral_constant<bool, is_scalar<_Tp>::value>
@@ -3858,7 +3857,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, _Tp&>
{ {
}; };
#endif // __has_feature(cxx_noexcept) #endif // _LIBCPP_HAS_NO_NOEXCEPT
#else // _LIBCPP_HAS_NO_VARIADICS #else // _LIBCPP_HAS_NO_VARIADICS
@@ -3889,7 +3888,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible
template <class _Tp> template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, __is_construct::__nat, struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, __is_construct::__nat,
__is_construct::__nat> __is_construct::__nat>
#if __has_feature(has_nothrow_constructor) || (_GNUC_VER >= 403) #if __has_feature(has_nothrow_constructor) || defined(_LIBCPP_COMPILER_GCC)
: integral_constant<bool, __has_nothrow_constructor(_Tp)> : integral_constant<bool, __has_nothrow_constructor(_Tp)>
#else #else
: integral_constant<bool, is_scalar<_Tp>::value> : integral_constant<bool, is_scalar<_Tp>::value>
@@ -3900,7 +3899,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, __is_construct::__nat,
template <class _Tp> template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, _Tp, struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, _Tp,
__is_construct::__nat> __is_construct::__nat>
#if __has_feature(has_nothrow_copy) || (_GNUC_VER >= 403) #if __has_feature(has_nothrow_copy) || defined(_LIBCPP_COMPILER_GCC)
: integral_constant<bool, __has_nothrow_copy(_Tp)> : integral_constant<bool, __has_nothrow_copy(_Tp)>
#else #else
: integral_constant<bool, is_scalar<_Tp>::value> : integral_constant<bool, is_scalar<_Tp>::value>
@@ -3911,7 +3910,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, _Tp,
template <class _Tp> template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, const _Tp&, struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, const _Tp&,
__is_construct::__nat> __is_construct::__nat>
#if __has_feature(has_nothrow_copy) || (_GNUC_VER >= 403) #if __has_feature(has_nothrow_copy) || defined(_LIBCPP_COMPILER_GCC)
: integral_constant<bool, __has_nothrow_copy(_Tp)> : integral_constant<bool, __has_nothrow_copy(_Tp)>
#else #else
: integral_constant<bool, is_scalar<_Tp>::value> : integral_constant<bool, is_scalar<_Tp>::value>
@@ -3922,7 +3921,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, const _Tp&,
template <class _Tp> template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, _Tp&, struct _LIBCPP_TEMPLATE_VIS is_nothrow_constructible<_Tp, _Tp&,
__is_construct::__nat> __is_construct::__nat>
#if __has_feature(has_nothrow_copy) || (_GNUC_VER >= 403) #if __has_feature(has_nothrow_copy) || defined(_LIBCPP_COMPILER_GCC)
: integral_constant<bool, __has_nothrow_copy(_Tp)> : integral_constant<bool, __has_nothrow_copy(_Tp)>
#else #else
: integral_constant<bool, is_scalar<_Tp>::value> : integral_constant<bool, is_scalar<_Tp>::value>
@@ -3987,7 +3986,7 @@ template <class _Tp, class _Arg>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable
: public integral_constant<bool, __is_nothrow_assignable(_Tp, _Arg)> {}; : public integral_constant<bool, __is_nothrow_assignable(_Tp, _Arg)> {};
#elif __has_feature(cxx_noexcept) || (_GNUC_VER >= 407 && __cplusplus >= 201103L) #elif !defined(_LIBCPP_HAS_NO_NOEXCEPT)
template <bool, class _Tp, class _Arg> struct __libcpp_is_nothrow_assignable; template <bool, class _Tp, class _Arg> struct __libcpp_is_nothrow_assignable;
@@ -4009,7 +4008,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable
{ {
}; };
#else // __has_keyword(__is_nothrow_assignable) || __has_feature(cxx_noexcept) #else // __has_keyword(__is_nothrow_assignable) || !defined(_LIBCPP_HAS_NO_NOEXCEPT)
template <class _Tp, class _Arg> template <class _Tp, class _Arg>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable
@@ -4017,7 +4016,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable
template <class _Tp> template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable<_Tp&, _Tp> struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable<_Tp&, _Tp>
#if __has_feature(has_nothrow_assign) || (_GNUC_VER >= 403) #if __has_feature(has_nothrow_assign) || defined(_LIBCPP_COMPILER_GCC)
: integral_constant<bool, __has_nothrow_assign(_Tp)> {}; : integral_constant<bool, __has_nothrow_assign(_Tp)> {};
#else #else
: integral_constant<bool, is_scalar<_Tp>::value> {}; : integral_constant<bool, is_scalar<_Tp>::value> {};
@@ -4025,7 +4024,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable<_Tp&, _Tp>
template <class _Tp> template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable<_Tp&, _Tp&> struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable<_Tp&, _Tp&>
#if __has_feature(has_nothrow_assign) || (_GNUC_VER >= 403) #if __has_feature(has_nothrow_assign) || defined(_LIBCPP_COMPILER_GCC)
: integral_constant<bool, __has_nothrow_assign(_Tp)> {}; : integral_constant<bool, __has_nothrow_assign(_Tp)> {};
#else #else
: integral_constant<bool, is_scalar<_Tp>::value> {}; : integral_constant<bool, is_scalar<_Tp>::value> {};
@@ -4033,7 +4032,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable<_Tp&, _Tp&>
template <class _Tp> template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable<_Tp&, const _Tp&> struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable<_Tp&, const _Tp&>
#if __has_feature(has_nothrow_assign) || (_GNUC_VER >= 403) #if __has_feature(has_nothrow_assign) || defined(_LIBCPP_COMPILER_GCC)
: integral_constant<bool, __has_nothrow_assign(_Tp)> {}; : integral_constant<bool, __has_nothrow_assign(_Tp)> {};
#else #else
: integral_constant<bool, is_scalar<_Tp>::value> {}; : integral_constant<bool, is_scalar<_Tp>::value> {};
@@ -4043,7 +4042,7 @@ struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable<_Tp&, const _Tp&>
template <class _Tp> template <class _Tp>
struct is_nothrow_assignable<_Tp&, _Tp&&> struct is_nothrow_assignable<_Tp&, _Tp&&>
#if __has_feature(has_nothrow_assign) || (_GNUC_VER >= 403) #if __has_feature(has_nothrow_assign) || defined(_LIBCPP_COMPILER_GCC)
: integral_constant<bool, __has_nothrow_assign(_Tp)> {}; : integral_constant<bool, __has_nothrow_assign(_Tp)> {};
#else #else
: integral_constant<bool, is_scalar<_Tp>::value> {}; : integral_constant<bool, is_scalar<_Tp>::value> {};
@@ -4051,7 +4050,7 @@ struct is_nothrow_assignable<_Tp&, _Tp&&>
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
#endif // __has_feature(cxx_noexcept) #endif // _LIBCPP_HAS_NO_NOEXCEPT
#if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES) #if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES)
template <class _Tp, class _Arg> template <class _Tp, class _Arg>
@@ -4090,7 +4089,7 @@ _LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool is_nothrow_move_assignable_v
// is_nothrow_destructible // is_nothrow_destructible
#if __has_feature(cxx_noexcept) || (_GNUC_VER >= 407 && __cplusplus >= 201103L) #if !defined(_LIBCPP_HAS_NO_NOEXCEPT)
template <bool, class _Tp> struct __libcpp_is_nothrow_destructible; template <bool, class _Tp> struct __libcpp_is_nothrow_destructible;
@@ -4157,7 +4156,7 @@ _LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool is_nothrow_destructible_v
// is_pod // is_pod
#if __has_feature(is_pod) || (_GNUC_VER >= 403) #if __has_feature(is_pod) || defined(_LIBCPP_COMPILER_GCC)
template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_pod template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_pod
: public integral_constant<bool, __is_pod(_Tp)> {}; : public integral_constant<bool, __is_pod(_Tp)> {};
@@ -4198,7 +4197,7 @@ _LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool is_literal_type_v
// is_standard_layout; // is_standard_layout;
template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_standard_layout template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_standard_layout
#if __has_feature(is_standard_layout) || (_GNUC_VER >= 407) #if __has_feature(is_standard_layout) || defined(_LIBCPP_COMPILER_GCC)
: public integral_constant<bool, __is_standard_layout(_Tp)> : public integral_constant<bool, __is_standard_layout(_Tp)>
#else #else
: integral_constant<bool, is_scalar<typename remove_all_extents<_Tp>::type>::value> : integral_constant<bool, is_scalar<typename remove_all_extents<_Tp>::type>::value>
@@ -4232,7 +4231,7 @@ _LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool is_trivially_copyable_v
// is_trivial; // is_trivial;
template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_trivial template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_trivial
#if __has_feature(is_trivial) || _GNUC_VER >= 407 #if __has_feature(is_trivial) || defined(_LIBCPP_COMPILER_GCC)
: public integral_constant<bool, __is_trivial(_Tp)> : public integral_constant<bool, __is_trivial(_Tp)>
#else #else
: integral_constant<bool, is_trivially_copyable<_Tp>::value && : integral_constant<bool, is_trivially_copyable<_Tp>::value &&