[Bug rtl-optimization/55531] peephole2 pattern with multiple insns with match_parallel insn causes corrupted peephole2_insns matching function

[amylaar at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55531

--- Comment #2 from Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> ---
(In reply to Eric Gallager from comment #1)
> so this is... what, wrong-code? ice-on-valid-code? build? 
> 
> (I should go to bed instead of trying to figure this out...)

ice-on-valid-code, and consequently a build issue.