[Bug rtl-optimization/45472] New: [4.5/4.6 Regression] ICE: in move_op_ascend, at sel-sched.c:6124 with -fselective-scheduling2

["zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>]

Command line:
$ gcc -O1 -fschedule-insns2 -fselective-scheduling2 testcase.c

Compiler output:
$ gcc -O1 -fschedule-insns2 -fselective-scheduling2 testcase.c
testcase.c: In function 'foo':
testcase.c:18:1: internal compiler error: in move_op_ascend, at
sel-sched.c:6124
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r163636 - crash
r153685 - crash
4.4 r149995 - OK


-- 
           Summary: [4.5/4.6 Regression] ICE: in move_op_ascend, at sel-
                    sched.c:6124 with -fselective-scheduling2
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: zsojka at seznam dot cz
  GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45472