https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68855
--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
C version of the same:
```
void foo(_Complex float *a, int n)
{
for(int i = 0; i < n; i++)
{
_Complex float t;
t = a[i];
t += 6.0;
t = __builtin_assoc_barrier(t);
a[i] = t;
}
}
```
