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31 lines
1.5 KiB
31 lines
1.5 KiB
4 months ago
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// RUN: %clang_cc1 -Weverything -fsyntax-only -verify %s
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// Test that the pragma overrides command line option -Weverythings,
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// a diagnostic with DefaultIgnore. This is part of a group 'unused-macro'
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// but -Weverything forces it
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#define UNUSED_MACRO1 1 // expected-warning{{macro is not used}}
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void foo(void) // expected-warning {{no previous prototype for function}}
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// expected-note@-1{{declare 'static' if the function is not intended to be used outside of this translation unit}}
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{
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// A diagnostic without DefaultIgnore, and not part of a group.
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(void) L'ab'; // expected-warning {{extraneous characters in character constant ignored}}
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#pragma clang diagnostic warning "-Weverything" // Should not change anyhting.
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#define UNUSED_MACRO2 1 // expected-warning{{macro is not used}}
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(void) L'cd'; // expected-warning {{extraneous characters in character constant ignored}}
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#pragma clang diagnostic ignored "-Weverything" // Ignore warnings now.
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#define UNUSED_MACRO2 1 // no warning
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(void) L'ef'; // no warning here
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#pragma clang diagnostic warning "-Weverything" // Revert back to warnings.
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#define UNUSED_MACRO3 1 // expected-warning{{macro is not used}}
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(void) L'gh'; // expected-warning {{extraneous characters in character constant ignored}}
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#pragma clang diagnostic error "-Weverything" // Give errors now.
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#define UNUSED_MACRO4 1 // expected-error{{macro is not used}}
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(void) L'ij'; // expected-error {{extraneous characters in character constant ignored}}
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}
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