[Bug rtl-optimization/47036] New: [4.6 Regression] ICE: in move_cond_jump, at sel-sched.c:4901 with -fschedule-insns -fselective-scheduling -fno-dce

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47036

           Summary: [4.6 Regression] ICE: in move_cond_jump, at
                    sel-sched.c:4901 with -fschedule-insns
                    -fselective-scheduling -fno-dce
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz
                CC: amonakov@gcc.gnu.org
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


This is very similiar to PR46649, it just needs further -fno-dce.
Testcase is the same, g++.dg/parse/break-in-for.C, or
http://gcc.gnu.org/bugzilla/attachment.cgi?id=22522

Compiler output:
$ gcc -fschedule-insns -fselective-scheduling -fno-dce break-in-for.C 
break-in-for.C: In function 'void foo()':
break-in-for.C:11:1: internal compiler error: in move_cond_jump, at
sel-sched.c:4901
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r168097 - crash
4.5 r168062 - OK