[Bug tree-optimization/51596] [4.7 Regression] ICE: verify_flow_info failed: BB 6 can not throw but has an EH edge with -fnon-call-exceptions

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51596

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-19 14:24:34 UTC ---
Author: jakub
Date: Mon Dec 19 14:24:29 2011
New Revision: 182481

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182481
Log:
    PR tree-optimization/51596
    * tree-cfg.c (replace_uses_by): Call gimple_purge_dead_eh_edges
    when needed.

    * g++.dg/opt/pr51596.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/opt/pr51596.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-cfg.c