| // This should warn by default. |
| // RUN: %clang_cc1 %s 2>&1 | grep "warning: foo" |
| |
| // This should not emit anything. |
| // RUN: %clang_cc1 %s -w 2>&1 | not grep diagnostic |
| // RUN: %clang_cc1 %s -Wno-#warnings 2>&1 | not grep diagnostic |
| // RUN: %clang_cc1 %s -Wno-cpp 2>&1 | not grep diagnostic |
| |
| // -Werror can map all warnings to error. |
| // RUN: not %clang_cc1 %s -Werror 2>&1 | grep "error: foo" |
| |
| // -Werror can map this one warning to error. |
| // RUN: not %clang_cc1 %s -Werror=#warnings 2>&1 | grep "error: foo" |
| // RUN: not %clang_cc1 %s -Werror=#warnings -W#warnings 2>&1 | grep "error: foo" |
| |
| // -Wno-error= overrides -Werror. -Wno-error applies to a subsequent warning of the same name. |
| // RUN: %clang_cc1 %s -Werror -Wno-error=#warnings 2>&1 | grep "warning: foo" |
| // RUN: %clang_cc1 %s -Werror -Wno-error=#warnings -W#warnings 2>&1 | grep "warning: foo" |
| |
| // -Wno-error overrides -Werror. PR4715 |
| // RUN: %clang_cc1 %s -Werror -Wno-error 2>&1 | grep "warning: foo" |
| |
| #warning foo |
| |
