[Bug target/65032] [5 Regression] ICE in reload_combine_note_use, at postreload.c:1556 on i686-linux-gnu

[law at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65032

Jeffrey A. Law <law at redhat dot com> changed:

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--- Comment #7 from Jeffrey A. Law <law at redhat dot com> ---
I think that in the past we'd just shove in any old hard register and it worked
because we considered the SCRATCH with 'X' as not conflicting with anything.

It's probably not ideal, but I wonder if LRA could do that for us too. 
Alternately, maybe replace the scratch with const0_rtx.