| // RUN: clang-cc %s -fsyntax-only -verify |
| // rdar://6587766 |
| |
| int fn1() __attribute__ ((warn_unused_result)); |
| int fn2() __attribute__ ((pure)); |
| int fn3() __attribute__ ((const)); |
| |
| int foo() { |
| if (fn1() < 0 || fn2(2,1) < 0 || fn3(2) < 0) // no warnings |
| return -1; |
| |
| fn1(); // expected-warning {{expression result unused}} |
| fn2(92, 21); // expected-warning {{expression result unused}} |
| fn3(42); // expected-warning {{expression result unused}} |
| return 0; |
| } |
| |
| int bar __attribute__ ((warn_unused_result)); // expected-warning {{warning: 'warn_unused_result' attribute only applies to function types}} |
| |
