| /* { dg-do compile } */ | |
| /* { dg-options "-O2" } */ | |
| #include <errno.h> | |
| #include <stdlib.h> | |
| void do_not_optimize_away (); | |
| int main() | |
| { | |
| void * volatile p; | |
| errno = 0; | |
| /* The malloc call below may cause a -Walloc-size-larger-than warning. */ | |
| p = malloc (-1); | |
| if (errno != 0) | |
| do_not_optimize_away (); | |
| return 0; | |
| } | |
| /* { dg-final { scan-assembler "do_not_optimize_away" } } */ | |
| /* { dg-prune-output "exceeds maximum object size" } */ |