[Bug target/114846] powerpc: epilogue in _Unwind_RaiseException corrupts return value due to __builtin_eh_return

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114846

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Kewen Lin from comment #2)
> As https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114843#c8, we may need some
> similar handling like r14-6440-g4b421728289e6f.

Note rs6000_emit_epilogue mostly handles eh_returns so it might not be as hard
as other targets.