[Bug middle-end/67766] [6 Regression]: Bootstrap failure on alpha-linux-gnu: ICE in simplify_subreg, at simplify-rtx.c

["ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67766

--- Comment #2 from UroÅ Bizjak <ubizjak at gmail dot com> ---
(In reply to Alexandre Oliva from comment #1)
> Mine.  Moving down the code in function.c that's under the comment:
>          /* If a named return value dumped decl_return to memory, then
>             we may need to re-do the PROMOTE_MODE signed/unsigned
>             extension.  */
> so that the test:
>          else if (GET_MODE (real_decl_rtl) != GET_MODE (decl_rtl))
> appears after the blocks that deal with PARALLELs and CONCATs fixes it for
> me, without any regressions on x86* regstraps.
> 
> Could you please confirm it fixes bootstrap on alpha?  TIA,

Yes, the patch, based on the above instructions, passes the bootstrap. I'm
currently in the regression tests, but I don't expect any surprises there.