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.
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify %s -DNONE
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// RUN: %clang_cc1 -fsyntax-only -verify %s -DALL -Wgnu
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// RUN: %clang_cc1 -fsyntax-only -verify %s -DALL \
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// RUN: -Wgnu-zero-variadic-macro-arguments \
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// RUN: -Wgnu-imaginary-constant -Wgnu-zero-line-directive
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// RUN: %clang_cc1 -fsyntax-only -verify %s -DNONE -Wgnu \
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// RUN: -Wno-gnu-zero-variadic-macro-arguments \
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// RUN: -Wno-gnu-imaginary-constant -Wno-gnu-zero-line-directive
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// Additional disabled tests:
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// %clang_cc1 -fsyntax-only -verify %s -DZEROARGS -Wgnu-zero-variadic-macro-arguments
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// %clang_cc1 -fsyntax-only -verify %s -DIMAGINARYCONST -Wgnu-imaginary-constant
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// %clang_cc1 -fsyntax-only -verify %s -DLINE0 -Wgnu-zero-line-directive
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#if NONE
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// expected-no-diagnostics
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#endif
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#if ALL || ZEROARGS
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// expected-warning@+3 {{token pasting of ',' and __VA_ARGS__ is a GNU extension}}
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#endif
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#define efoo(format, args...) foo(format , ##args)
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void foo( const char* c )
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{
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efoo("6");
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}
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#if ALL || IMAGINARYCONST
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// expected-warning@+3 {{imaginary constants are a GNU extension}}
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#endif
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float _Complex c = 1.if;
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// This case is handled differently because lit has a bug whereby #line 0 is reported to be on line 4294967295
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// http://llvm.org/bugs/show_bug.cgi?id=16952
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#if ALL || LINE0
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#line 0 // expected-warning {{#line directive with zero argument is a GNU extension}}
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#else
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#line 0
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#endif
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// WARNING: Do not add more tests after the #line 0 line! Add them before the LINE0 test
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