45b5cc08e5
There are a few diagnostics that are incorrectly grouped under `-Wc++20-compat` instead of `-Wpre-c++20-compat`. I grepped for any remaining `-Wc++xy-compat` diagnostics, but they all seem to actually be about compatibility with C++XY. Fixes #138775.
15 lines
917 B
C++
15 lines
917 B
C++
// RUN: %clang_cc1 -std=c++17 -fsyntax-only -verify=cxx17 %s
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// RUN: %clang_cc1 -std=c++20 -fsyntax-only -verify=pre-cxx20-compat -Wpre-c++20-compat %s
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// RUN: %clang_cc1 -std=c++20 -fsyntax-only -verify=cxx20-compat -Wc++20-compat %s
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// cxx20-compat-no-diagnostics
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// cxx17-error@+4 {{unknown type name 'consteval'; did you mean 'constexpr'}}
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// cxx17-warning@+3 {{missing 'typename' prior to dependent type name 'T::type' is a C++20 extension}}
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// pre-cxx20-compat-warning@+2 {{'consteval' specifier is incompatible with C++ standards before C++20}}
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// pre-cxx20-compat-warning@+1 {{missing 'typename' prior to dependent type name 'T::type' is incompatible with C++ standards before C++20}}
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template<typename T> consteval T::type f();
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// cxx17-error@+2 {{unknown type name 'constinit'}}
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// pre-cxx20-compat-warning@+1 {{'constinit' specifier is incompatible with C++ standards before C++20}}
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constinit int x = 4;
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