| 1 | // RUN: %clang_cc1 -Weverything -fsyntax-only -verify %s |
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| 2 | |
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| 3 | // Test that the pragma overrides command line option -Weverythings, |
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| 4 | |
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| 5 | // a diagnostic with DefaultIgnore. This is part of a group 'unused-macro' |
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| 6 | // but -Weverything forces it |
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| 7 | #define UNUSED_MACRO1 1 // expected-warning{{macro is not used}} |
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| 8 | |
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| 9 | void foo() // expected-warning {{no previous prototype for function}} |
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| 10 | { |
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| 11 | // A diagnostic without DefaultIgnore, and not part of a group. |
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| 12 | (void) L'ab'; // expected-warning {{extraneous characters in character constant ignored}} |
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| 13 | |
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| 14 | #pragma clang diagnostic warning "-Weverything" // Should not change anyhting. |
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| 15 | #define UNUSED_MACRO2 1 // expected-warning{{macro is not used}} |
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| 16 | (void) L'cd'; // expected-warning {{extraneous characters in character constant ignored}} |
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| 17 | |
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| 18 | #pragma clang diagnostic ignored "-Weverything" // Ignore warnings now. |
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| 19 | #define UNUSED_MACRO2 1 // no warning |
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| 20 | (void) L'ef'; // no warning here |
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| 21 | |
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| 22 | #pragma clang diagnostic warning "-Weverything" // Revert back to warnings. |
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| 23 | #define UNUSED_MACRO3 1 // expected-warning{{macro is not used}} |
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| 24 | (void) L'gh'; // expected-warning {{extraneous characters in character constant ignored}} |
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| 25 | |
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| 26 | #pragma clang diagnostic error "-Weverything" // Give errors now. |
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| 27 | #define UNUSED_MACRO4 1 // expected-error{{macro is not used}} |
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| 28 | (void) L'ij'; // expected-error {{extraneous characters in character constant ignored}} |
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| 29 | } |
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| 30 | |
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