[Bug c/110737] GCC: internal compiler error: Segmentation fault when processing __builtin_isinf and _Atomic long double together

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110737

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
You can also get ICE with _Atomic int with a similar testcase:
```
_Atomic int c;
void f(void);
int g(void)
{
        return (c += f());
}
```