86ba681e28
#134522 triggers compilation error with libstdc++, in which primary variable template `std::format_kind` is defined like ```cpp template <typename R> constexpr auto format_kind = __primary_template_not_defined( format_kind<R> ); ``` See #139067 or <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120190>. This PR disables checking template id in initializer of primary variable template `std::format_kind` in libstdc++ (by checking `__GLIBCXX__`). Fixes #139067
18 lines
443 B
C++
18 lines
443 B
C++
// RUN: %clang_cc1 -fsyntax-only -std=c++23 -verify %s
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// expected-no-diagnostics
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// Primary variable template std::format_kind is defined as followed since
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// libstdc++ 15.1, which triggers compilation error introduced by GH134522.
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// This file tests the workaround.
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#define __GLIBCXX__ 20250513
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namespace std {
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template<typename _Rg>
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constexpr auto format_kind =
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__primary_template_not_defined(
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format_kind<_Rg>
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);
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}
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