[Bug middle-end/71028] New: [7 regression] ICE in redirect_jump, at jump.c:1560

[vp at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71028

            Bug ID: 71028
           Summary: [7 regression] ICE in redirect_jump, at jump.c:1560
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: major
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: vp at gcc dot gnu.org
  Target Milestone: ---

gcc.c-torture/compile/pr37483.c and
gcc.dg/20010822-1.c

FAILs on arm-none-eabi with:

...: internal compiler error: in redirect_jump, at jump.c:1560
 }
 ^
0x98314d redirect_jump(rtx_jump_insn*, rtx_def*, int)
        ../../gcc/gcc/jump.c:1560
0x10b8276 try_optimize_cfg
        ../../gcc/gcc/cfgcleanup.c:2900
0x10b8276 cleanup_cfg(int)
        ../../gcc/gcc/cfgcleanup.c:3150
0x10b9646 execute
        ../../gcc/gcc/cfgcleanup.c:3279


The following commit seem to cause it:
https://gcc.gnu.org/viewcvs?rev=235904&root=gcc&view=rev