forked from OSchip/llvm-project
48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify -Wno-undef %s
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// rdar://2362963
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#if FOO // ok.
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#endif
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#pragma GCC diagnostic warning "-Wundef"
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#if FOO // expected-warning {{'FOO' is not defined}}
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#endif
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#pragma GCC diagnostic ignored "-Wun" "def"
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#if FOO // ok.
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#endif
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#pragma GCC diagnostic error "-Wundef"
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#if FOO // expected-error {{'FOO' is not defined}}
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#endif
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#define foo error
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#pragma GCC diagnostic foo "-Wundef" // expected-warning {{pragma diagnostic expected 'error', 'warning', 'ignored', 'fatal', 'push', or 'pop'}}
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#pragma GCC diagnostic error 42 // expected-error {{expected string literal in pragma diagnostic}}
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#pragma GCC diagnostic error "-Wundef" 42 // expected-warning {{unexpected token in pragma diagnostic}}
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#pragma GCC diagnostic error "invalid-name" // expected-warning {{pragma diagnostic expected option name (e.g. "-Wundef")}}
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#pragma GCC diagnostic error "-Winvalid-name" // expected-warning {{unknown warning group '-Winvalid-name', ignored}}
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// Testing pragma clang diagnostic with -Weverything
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void ppo(){} // First test that we do not diagnose on this.
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#pragma clang diagnostic warning "-Weverything"
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void ppp(){} // expected-warning {{no previous prototype for function 'ppp'}}
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#pragma clang diagnostic ignored "-Weverything" // Reset it.
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void ppq(){}
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#pragma clang diagnostic error "-Weverything" // Now set to error
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void ppr(){} // expected-error {{no previous prototype for function 'ppr'}}
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#pragma clang diagnostic warning "-Weverything" // This should not be effective
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void pps(){} // expected-error {{no previous prototype for function 'pps'}}
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