[Bug rtl-optimization/49014] New: ICE: in reset_sched_cycles_in_current_ebb, at sel-sched.c:7132 with even more insane set of flags

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49014

           Summary: ICE: in reset_sched_cycles_in_current_ebb, at
                    sel-sched.c:7132 with even more insane set of flags
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: zso...@seznam.cz
                CC: a...@gcc.gnu.org
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


Created attachment 24255
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24255
reduced testcase (from gcc.dg/pr45352-3.c)

Compiler output:
$ gcc testcase.c -O -fprofile-generate -fgcse -fno-gcse-lm -fno-tree-loop-im
-funroll-loops -fno-web -fschedule-insns2 -fselective-scheduling2
-fsel-sched-pipelining -fPIC -fno-forward-propagate -ftree-vrp
testcase.c: In function 'foo':
testcase.c:11:1: internal compiler error: in reset_sched_cycles_in_current_ebb,
at sel-sched.c:7132
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r173785 - crash
4.6 r173059 - OK
4.5 r173059 - OK