[Bug c/118868] __builtin_assoc_barrier with pointers cause ICE

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118868

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Hmm, I'm not sure the GIMPLE verification is sensible, I'd have simply
required compatible types.