[Bug rtl-optimization/63620] RELOAD lost SET_GOT dependency on Darwin

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63620

--- Comment #22 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Jeffrey A. Law from comment #21)

> Any objection to installing that patch to work around these problems while
> Vlad works on things from the rematerialization side?

No, I was in fact tempted to commit this patch as a temporary workaround.
> 
> Perhaps put that condition in a function which makes it clear that this is
> just a workaround to give Vlad time to build out the real solution?

Every condition is slightly different, I think that marking the patterns with a
XXX comment, referring to this PR, should be enough.