1 // This should warn by default. 2 // RUN: %clang_cc1 %s 2>&1 | grep "warning: foo" 3 4 // This should not emit anything. 5 // RUN: %clang_cc1 %s -w 2>&1 | not grep diagnostic 6 // RUN: %clang_cc1 %s -Wno-#warnings 2>&1 | not grep diagnostic 7 8 // -Werror can map all warnings to error. 9 // RUN: not %clang_cc1 %s -Werror 2>&1 | grep "error: foo" 10 11 // -Werror can map this one warning to error. 12 // RUN: not %clang_cc1 %s -Werror=#warnings 2>&1 | grep "error: foo" 13 14 // -Wno-error= overrides -Werror. rdar://3158301 15 // RUN: %clang_cc1 %s -Werror -Wno-error=#warnings 2>&1 | grep "warning: foo" 16 17 // -Wno-error overrides -Werror. PR4715 18 // RUN: %clang_cc1 %s -Werror -Wno-error 2>&1 | grep "warning: foo" 19 20 #warning foo 21 22
