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[libc++] Use __is_array if the builtin is fixed #93037

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Merged
merged 1 commit into from
Jul 5, 2024
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[libc++] Use __is_array if the builtin is fixed #93037

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5 changes: 2 additions & 3 deletions libcxx/include/__type_traits/is_array.h
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Original file line number Diff line number Diff line change
Expand Up @@ -19,9 +19,8 @@

_LIBCPP_BEGIN_NAMESPACE_STD

// TODO: Clang incorrectly reports that __is_array is true for T[0].
// Re-enable the branch once https://llvm.org/PR54705 is fixed.
#if __has_builtin(__is_array) && 0
#if __has_builtin(__is_array) && \
(!defined(_LIBCPP_COMPILER_CLANG_BASED) || (defined(_LIBCPP_CLANG_VER) && _LIBCPP_CLANG_VER >= 1900))

template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS is_array : _BoolConstant<__is_array(_Tp)> {};
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