| // RUN: %clang_cc1 -fsyntax-only -verify %s |
| #if !__has_attribute(error) |
| #error "error attribute missing" |
| #endif |
| |
| __attribute__((error("don't call me!"))) int good0(void); |
| |
| __attribute__((error)) // expected-error {{'error' attribute takes one argument}} |
| int |
| bad0(void); |
| |
| int bad1(__attribute__((error("bad1"))) int param); // expected-error {{'error' attribute only applies to functions}} |
| |
| int bad2(void) { |
| __attribute__((error("bad2"))); // expected-error {{'error' attribute cannot be applied to a statement}} |
| } |
| |
| __attribute__((error(3))) // expected-error {{'error' attribute requires a string}} |
| int |
| bad3(void); |
| |
| __attribute__((error("foo"), error("foo"))) int good1(void); |
| __attribute__((error("foo"))) int good1(void); |
| __attribute__((error("foo"))) int good1(void) {} |
| |
| __attribute__((error("foo"), warning("foo"))) // expected-error {{'warning' and 'error' attributes are not compatible}} |
| int |
| bad4(void); |
| // expected-note@-3 {{conflicting attribute is here}} |
| |
| __attribute__((error("foo"))) int bad5(void); // expected-note {{conflicting attribute is here}} |
| __attribute__((warning("foo"))) int bad5(void); // expected-error {{'error' and 'warning' attributes are not compatible}} |
| |
| /* |
| * Note: we differ from GCC here; rather than support redeclarations that add |
| * or remove this fn attr, we diagnose such differences. |
| */ |
| |
| void foo(void); // expected-note {{previous declaration is here}} |
| __attribute__((error("oh no foo"))) void foo(void); // expected-error {{'error' attribute does not appear on the first declaration}} |