| /* PR tree-optimization/98721 */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-O2" } */ | |
| /* { dg-require-effective-target alloca } */ | |
| int | |
| foo (int n) | |
| { | |
| if (n <= 0) | |
| { | |
| char vla[n]; /* { dg-message "source object 'vla' of size 0" } */ | |
| return __builtin_strlen (vla); /* { dg-warning "'__builtin_strlen' reading 1 or more bytes from a region of size 0" } */ | |
| } | |
| return -1; | |
| } |