[Bug tree-optimization/90303] [9/10 Regression] ICE in hash_odr_name with fastcall attribute starting with r267359

[hubicka at ucw dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90303

--- Comment #5 from Jan Hubicka <hubicka at ucw dot cz> ---
I see, i suppose we may lose some optimizations in early opts because of
this but your patch is safe and I don't think the missed optimizations
are very important (if they are we should avoid having structural
equality on such types)

Honza