| Sunil Srivastava | 5239de7 | 2016-02-13 01:44:05 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -Weverything -fsyntax-only -verify %s |
| 2 | |
| 3 | // Test that the pragma overrides command line option -Weverythings, |
| 4 | |
| 5 | // a diagnostic with DefaultIgnore. This is part of a group 'unused-macro' |
| 6 | // but -Weverything forces it |
| 7 | #define UNUSED_MACRO1 1 // expected-warning{{macro is not used}} |
| 8 | |
| 9 | void foo() // expected-warning {{no previous prototype for function}} |
| 10 | { |
| 11 | // A diagnostic without DefaultIgnore, and not part of a group. |
| 12 | (void) L'ab'; // expected-warning {{extraneous characters in character constant ignored}} |
| 13 | |
| 14 | #pragma clang diagnostic warning "-Weverything" // Should not change anyhting. |
| 15 | #define UNUSED_MACRO2 1 // expected-warning{{macro is not used}} |
| 16 | (void) L'cd'; // expected-warning {{extraneous characters in character constant ignored}} |
| 17 | |
| 18 | #pragma clang diagnostic ignored "-Weverything" // Ignore warnings now. |
| 19 | #define UNUSED_MACRO2 1 // no warning |
| 20 | (void) L'ef'; // no warning here |
| 21 | |
| 22 | #pragma clang diagnostic warning "-Weverything" // Revert back to warnings. |
| 23 | #define UNUSED_MACRO3 1 // expected-warning{{macro is not used}} |
| 24 | (void) L'gh'; // expected-warning {{extraneous characters in character constant ignored}} |
| 25 | |
| 26 | #pragma clang diagnostic error "-Weverything" // Give errors now. |
| 27 | #define UNUSED_MACRO4 1 // expected-error{{macro is not used}} |
| 28 | (void) L'ij'; // expected-error {{extraneous characters in character constant ignored}} |
| 29 | } |