[Bug bootstrap/68404] [6 Regression] PGO/LTO bootstrap failure on ppc64le

[bernds at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68404

--- Comment #29 from Bernd Schmidt <bernds at gcc dot gnu.org> ---
Mike, this isn't about addresses. It's about an earlyclobber output overlapping
an input. Maybe there's an invalid peephole creating such a pattern, or maybe
the output need not be marked earlyclobber - that's the direction you need to
be looking.