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 } 30
