[Bug middle-end/51089] [4.7 Regression] internal compiler error: verify_flow_info failed

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51089

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-11-30 21:59:08 UTC ---
Author: jakub
Date: Wed Nov 30 21:59:04 2011
New Revision: 181859

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181859
Log:
    PR middle-end/51089
    * tree-eh.c (cleanup_empty_eh_merge_phis): Add check to
    avoid creating duplicate edges here.
    (cleanup_empty_eh_unsplit): And remove it in the caller.

    * gfortran.dg/gomp/pr51089.f90: New test.

Added:
    trunk/gcc/testsuite/gfortran.dg/gomp/pr51089.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-eh.c