[Bug c/118869] infinite recusion in gimplifier with __builtin_assoc_barrier and structs

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118869

--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
```
int oh[1];
int *cm() { return __builtin_assoc_barrier(oh); }
```

The question is does array decays to pointers types before or after
assoc_barrier?