https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78516
--- Comment #15 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
(In reply to Peter Bergner from comment #13)
> (In reply to Vladimir Makarov from comment #11)
> > Created attachment 40372 [details]
> > The proposed patch
>
> Agreed your additions to my change looks good. However, I'm not so sure
> about this last hunk:
>
> - SET_SRC (curr_insn_set) = new_reg;
> + {
> + SET_SRC (curr_insn_set) = new_reg;
> + if (SUBREG_P (src))
> + SUBREG_REG (SET_SRC (curr_insn_set)) = new_reg;
> + else
> + SET_SRC (curr_insn_set) = new_reg;
> + }
>
> Specifically, I don't think you meant to leave the following code as part of
> that:
>
> + SET_SRC (curr_insn_set) = new_reg;
>
>
Sorry, I applied your changes manually and did a typo. The line
SET_SRC (curr_insn_set) = new_reg;
should be removed.
I tested this patch with the typo on x86-64 and no new failures occurred.
Strange.
