16 lines
390 B
C
16 lines
390 B
C
/* 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;
|
|
}
|