[Bug gcov-profile/105936] New: internal compiler error: in move_insn, at haifa-sched.c:5463

[stsp at users dot sourceforge.net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105936

            Bug ID: 105936
           Summary: internal compiler error: in move_insn, at
                    haifa-sched.c:5463
           Product: gcc
           Version: 9.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: gcov-profile
          Assignee: unassigned at gcc dot gnu.org
          Reporter: stsp at users dot sourceforge.net
                CC: marxin at gcc dot gnu.org
  Target Milestone: ---

Created attachment 53124
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53124&action=edit
pre-processed source

The problem happens with 9.4.0
in ubuntu-20, and with more recent
gcc in ubuntu-21.10, but not sure
what exact version of gcc is there.

$ gcc -O2 -c -xc int.E

during RTL pass: sched2
/<<PKGBUILDDIR>>/build/../src/base/core/int.c: In function
‘int33_unrevect_fixup’:
/<<PKGBUILDDIR>>/build/../src/base/core/int.c:1746:1: internal compiler error:
in move_insn, at haifa-sched.c:5463