[Bug target/116058] [15 Regression] sh4-linux-gnu fails to bootstrap, late combine issue

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116058

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 58744
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58744&action=edit
Patch which seems to fix the issue

This patch removes the parallel in the define_insn and seems to fix the issue.
The problem is we don't add back the clobbers that is inside the parallel. 

https://gcc.gnu.org/onlinedocs/gccint/Side-Effects.html#index-parallel

Does kinda of warn about this. But it is not obvious though.