[Bug middle-end/52820] New: [4.8 Regression] ICE in create_preheader, at cfgloopmanip.c:1363

["markus at trippelsdorf dot de" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52820

             Bug #: 52820
           Summary: [4.8 Regression] ICE in create_preheader, at
                    cfgloopmanip.c:1363
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: markus@trippelsdorf.de


% cat test.i
int **fn1 () __attribute__ ((__const__));
main () {
  int i;
  i = 0;
  for (;; i++)
    if (*fn1 ()[i] && !'a' <= 0 && i <= 'z' || *fn1 ()[0] && 'a' <= 'z')
      return;
}

 % gcc -c -O2 -fprofile-use test.i
test.i: In function âmainâ:
test.i:8:1: note: file /var/tmp/test.gcda not found, execution counts estimated
test.i:2:1: internal compiler error: in create_preheader, at
cfgloopmanip.c:1363