5231005193
This updates a few warnings that were diagnosing no arguments for a `...` variadic macro parameter as a GNU extension when it actually is a C++20/C23 extension now. This fixes #84495.
17 lines
955 B
C++
17 lines
955 B
C++
// RUN: %clang_cc1 -Eonly -std=c17 -pedantic -verify=c17,expected -x c %s
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// RUN: %clang_cc1 -Eonly -std=c23 -pedantic -Wpre-c23-compat -verify=c23,expected -x c %s
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// RUN: %clang_cc1 -Eonly -std=c++17 -pedantic -verify=cxx17,expected %s
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// RUN: %clang_cc1 -Eonly -std=c++20 -pedantic -Wpre-c++20-compat -verify=cxx20,expected %s
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// silent-no-diagnostics
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#define FOO(x, ...) // expected-note {{macro 'FOO' defined here}}
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int main() {
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FOO(42) // c17-warning {{passing no argument for the '...' parameter of a variadic macro is a C23 extension}} \
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// cxx17-warning {{passing no argument for the '...' parameter of a variadic macro is a C++20 extension}} \
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// c23-warning {{passing no argument for the '...' parameter of a variadic macro is incompatible with C standards before C23}} \
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// cxx20-warning {{passing no argument for the '...' parameter of a variadic macro is incompatible with C++ standards before C++20}}
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}
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