[Bug lto/85571] New: ltobootstrap miscompare with trunk and x86-64

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85571

            Bug ID: 85571
           Summary: ltobootstrap miscompare with trunk and x86-64
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hubicka at gcc dot gnu.org
                CC: marxin at gcc dot gnu.org
  Target Milestone: ---

I am getting miscompare on almost all .o object files with ltobootstrap
configured as:
configure --disable-multilib --disable-werror --with-build-config=bootstrap-lto

Problem does not reproduce with GCC8 release branch.