diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp/warn-redefined-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/cpp/warn-redefined-2.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/warn-redefined-2.c b/gcc/testsuite/gcc.dg/cpp/warn-redefined-2.c new file mode 100644 index 000000000..e6b209c1e --- /dev/null +++ b/gcc/testsuite/gcc.dg/cpp/warn-redefined-2.c @@ -0,0 +1,18 @@ +// { dg-do preprocess } +// { dg-options "-std=gnu99 -fdiagnostics-show-option -Werror=builtin-macro-redefined" } +/* { dg-message "some warnings being treated as errors" "" {target "*-*-*"} 0 } */ +#ifndef __TIME__ +#error "__TIME__ builtin is not defined" +// { dg-bogus "__TIME__ builtin is not defined" "no-time" { target *-*-* } 5 } +#endif + +#define __TIME__ "X" // { dg-error "\"__TIME__\" redefined .-Werror=builtin-macro-redefined." } + +#define __TIME__ "Y" // { dg-bogus "-Wbuiltin-macro-redefined" } + // { dg-warning "\"__TIME__\" redefined" "not-builtin-1" { target *-*-* } 11 } + // { dg-message "previous definition" "previous-1" { target *-*-* } 9 } + +#define X "X" +#define X "Y" // { dg-bogus "-Wbuiltin-macro-redefined" } + // { dg-warning "\"X\" redefined" "not-builtin-2" { target *-*-* } 16 } + // { dg-message "previous definition" "previous-2" { target *-*-* } 15 } |