https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212

--- Comment #277 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
Created attachment 59153
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59153&action=edit
[lra] take scratch as implicit unused output reloads

> * call_pcrel patterns: match_scratch can cause ICE for the corner case.  We 
> use a fixed register instead of scratch as a quick fix.  More investigation 
> is needed.

This sounds familiar.  I may have an LRA patch to address this problem, but
it's got very little testing.

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