[Bug c/77932] New: [GRAPHITE] gmp-6.1.0, 6.1.1 breaks because of fgraphite-identity

[de.techno at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77932

            Bug ID: 77932
           Summary: [GRAPHITE] gmp-6.1.0, 6.1.1 breaks because of
                    fgraphite-identity
           Product: gcc
           Version: 5.4.0
               URL: https://forums.gentoo.org/viewtopic-p-7850262.html?sid
                    =b501c3eb6e1b1b0ea55178547df18b2b
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: de.techno at gmail dot com
  Target Milestone: ---

After building gmp-6.1.0, 6.1.1 with fgraphite-identity, GCC starts complaining
'internal compiler error: Floating point exception' for almost everything
including gcc and gmp itself with or without any of the graphite flags.