[Bug target/79905] ICE in canonical types differ for identical types __vector(4) int and V4i {aka __vector(4) int}

[wschmidt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79905

--- Comment #8 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
But hm, build_vector_type calls make_vector_type which canonicalizes using
type_hash_canon, so this seems ok.  Perhaps the problem is with the V4i type?