diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp/redef2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/cpp/redef2.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/redef2.c b/gcc/testsuite/gcc.dg/cpp/redef2.c new file mode 100644 index 000000000..1dbc10033 --- /dev/null +++ b/gcc/testsuite/gcc.dg/cpp/redef2.c @@ -0,0 +1,31 @@ +/* Test for redefining macros with significant differences. */ + +/* { dg-do preprocess } + { dg-options "-ansi -Wall" } */ + +#define mac(a, b) (a) + (b) +#define mac(a, b) (a) * (b) +#define mac(a, b) (a) * (x) +#define mac(a, g) (a) * (x) + +#define ro(x) foo x bar +#define ro(x, b) foo x bar + +#define va(a...) a +#define va(...) __VA_ARGS__ + +#define foo(x) x +#define foo(x)x /* { dg-bogus "redefined" "redefined foo" } */ + +/* { dg-warning "redefined" "redef mac" { target *-*-* } 7 } + { dg-warning "redefined" "redef mac" { target *-*-* } 8 } + { dg-warning "redefined" "redef mac" { target *-*-* } 9 } + { dg-warning "redefined" "redef ro" { target *-*-* } 12 } + { dg-warning "redefined" "redef va" { target *-*-* } 15 } + + { dg-message "previous" "prev def mac" { target *-*-* } 6 } + { dg-message "previous" "prev def mac" { target *-*-* } 7 } + { dg-message "previous" "prev def mac" { target *-*-* } 8 } + { dg-message "previous" "prev def ro" { target *-*-* } 11 } + { dg-message "previous" "prev def va" { target *-*-* } 14 } +*/ |