[Bug c/68866] New: ICE in set_lattice_value, at tree-ssa-cpp.c:490

[felix.janda at posteo dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68866

            Bug ID: 68866
           Summary: ICE in set_lattice_value, at tree-ssa-cpp.c:490
           Product: gcc
           Version: 4.9.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: felix.janda at posteo dot de
  Target Milestone: ---

Minimal test case (containing invalid code):

static char *a[] = {""};
int main(void) {
        for(int i=1;i<2;i++) if(a[i]) break;
}

The same error was already observed in

http://www.openwall.com/lists/musl/2013/11/07/14