[Bug rtl-optimization/50212] New: [4.7 Regression] ICE: in ei_container, at basic-block.h:610 with -fnon-call-exceptions -freorder-blocks-and-partition

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50212

             Bug #: 50212
           Summary: [4.7 Regression] ICE: in ei_container, at
                    basic-block.h:610 with -fnon-call-exceptions
                    -freorder-blocks-and-partition
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: zso...@seznam.cz
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


Created attachment 25120
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25120
reduced testcase

Compiler output:
$ gcc -O -fnon-call-exceptions -ftrapv -freorder-blocks-and-partition
testcase.C 
testcase.C: In function 'void foo(int)':
testcase.C:12:1: internal compiler error: in ei_container, at basic-block.h:610
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r178125 - crash
r177543 - crash
r173150 - OK
4.6 r177922 - OK