Clang wants to enable this flag by default, but libc++ isn't working with it yet.
Reviewed By: Mordante, #libc, #libc_abi, EricWF
Spies: libcxx-commits, arichardson
Differential Revision: https://reviews.llvm.org/D144667
else()
target_add_compile_flags_if_supported(${target} PRIVATE -Wall)
endif()
- target_add_compile_flags_if_supported(${target} PRIVATE -Wextra -W -Wwrite-strings
- -Wno-unused-parameter -Wno-long-long
- -Werror=return-type -Wextra-semi -Wundef
+ target_add_compile_flags_if_supported(${target} PRIVATE -Wextra
+ -W
+ -Wwrite-strings
+ -Wno-unused-parameter
+ -Wno-long-long
+ -Werror=return-type
+ -Wextra-semi
+ -Wundef
+ -Wunused-template
-Wformat-nonliteral)
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
target_add_compile_flags_if_supported(${target} PRIVATE
__enable_if_t<!(!is_member_pointer<typename decay<_Pred>::type>::value &&
__is_identity<typename decay<_Proj>::type>::value),
int> = 0>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR static _ProjectedPred<_Pred, _Proj>
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ProjectedPred<_Pred, _Proj>
__make_projected(_Pred& __pred, _Proj& __proj) {
return _ProjectedPred<_Pred, _Proj>(__pred, __proj);
}
__enable_if_t<!is_member_pointer<typename decay<_Pred>::type>::value &&
__is_identity<typename decay<_Proj>::type>::value,
int> = 0>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR static _Pred& __make_projected(_Pred& __pred, _Proj&) {
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _Pred& __make_projected(_Pred& __pred, _Proj&) {
return __pred;
}
namespace ranges {
template <class _Comp, class _Proj1, class _Proj2>
-_LIBCPP_HIDE_FROM_ABI constexpr static
+_LIBCPP_HIDE_FROM_ABI constexpr
decltype(auto) __make_projected_comp(_Comp& __comp, _Proj1& __proj1, _Proj2& __proj2) {
if constexpr (__is_identity<decay_t<_Proj1>>::value && __is_identity<decay_t<_Proj2>>::value &&
!is_member_pointer_v<decay_t<_Comp>>) {
// macro is used to mark them as such, which suppresses the
// '-Wctad-maybe-unsupported' compiler warning when CTAD is used in user code
// with these classes.
-#if _LIBCPP_STD_VER >= 17
-# define _LIBCPP_CTAD_SUPPORTED_FOR_TYPE(_ClassName) \
- template <class ..._Tag> \
- _ClassName(typename _Tag::__allow_ctad...) -> _ClassName<_Tag...>
-#else
-# define _LIBCPP_CTAD_SUPPORTED_FOR_TYPE(_ClassName) static_assert(true, "")
-#endif
+# if _LIBCPP_STD_VER >= 17
+# ifdef _LIBCPP_COMPILER_CLANG_BASED
+# define _LIBCPP_CTAD_SUPPORTED_FOR_TYPE(_ClassName) \
+ template <class... _Tag> \
+ [[maybe_unused]] _ClassName(typename _Tag::__allow_ctad...)->_ClassName<_Tag...>
+# else
+# define _LIBCPP_CTAD_SUPPORTED_FOR_TYPE(ClassName) \
+ template <class... _Tag> \
+ ClassName(typename _Tag::__allow_ctad...)->ClassName<_Tag...>
+# endif
+# else
+# define _LIBCPP_CTAD_SUPPORTED_FOR_TYPE(_ClassName) static_assert(true, "")
+# endif
// TODO(varconst): currently, there are bugs in Clang's intrinsics when handling Objective-C++ `id`, so don't use
// compiler intrinsics in the Objective-C++ mode.
template <class _Dp, class _Pt,
class = decltype(std::declval<_Dp>()(std::declval<_Pt>()))>
-static true_type __well_formed_deleter_test(int);
+true_type __well_formed_deleter_test(int);
template <class, class>
-static false_type __well_formed_deleter_test(...);
+false_type __well_formed_deleter_test(...);
template <class _Dp, class _Pt>
struct __well_formed_deleter : decltype(std::__well_formed_deleter_test<_Dp, _Pt>(0)) {};
#if _LIBCPP_STD_VER >= 20
template <typename _Tp>
-static void __test_noexcept(_Tp) noexcept;
+void __test_noexcept(_Tp) noexcept;
template<typename _Fm, typename _To>
-static bool_constant<noexcept(_VSTD::__test_noexcept<_To>(std::declval<_Fm>()))>
+bool_constant<noexcept(_VSTD::__test_noexcept<_To>(std::declval<_Fm>()))>
__is_nothrow_convertible_test();
template <typename _Fm, typename _To>
#endif
#endif
+// TODO: Check whether these functions actually need internal linkage, or if they can be made normal header functions
_LIBCPP_DIAGNOSTIC_PUSH
_LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wunused-function")
_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wunused-function")
+_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wunused-template")
#if defined(_LIBCPP_WIN32API)
# define PATHSTR(x) (L##x)
'-Wextra',
'-Wshadow',
'-Wundef',
+ '-Wunused-template',
'-Wno-unused-command-line-argument',
'-Wno-attributes',
'-Wno-pessimizing-move',
#define DEMANGLE_STRINGVIEW_H
#include "DemangleConfig.h"
+
+#include <__cxxabi_config.h>
#include <cassert>
#include <cstring>
+#ifdef _LIBCXXABI_COMPILER_CLANG
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-template"
+#endif
+
DEMANGLE_NAMESPACE_BEGIN
class StringView {
DEMANGLE_NAMESPACE_END
+#ifdef _LIBCXXABI_COMPILER_CLANG
+#pragma clang diagnostic pop
+#endif
+
#endif