https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113759
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Reduced slightly further:
```
extern short t[];
int f(int c, int b) {
if (b < 0) __builtin_unreachable();
if (c <= 0) __builtin_unreachable();
int d;
for (; c >= 0; c--)
{
int a = b + c;
d = t[a];
t[a] = 0;
}
return d;
}
```
Note this requires IV-OPTS to get the IR that fails. It might be best if that
IR is converted into a gimple testcase too.
