[Bug tree-optimization/55329] [4.8 Regression] ICE: internal compiler error: in operator[], at vec.h:487 with -O -fno-guess-branch-probability -fnon-call-exceptions --param=early-inlining-insns=111

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55329



--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-11-16 
22:05:36 UTC ---

Author: jakub

Date: Fri Nov 16 22:05:32 2012

New Revision: 193577



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193577

Log:

    PR tree-optimization/55329

    * tree-ssa-dom.c (tree_ssa_dominator_optimize): Never clear

    bits in needed_eh_cleanup while iterating over the bitmap.

    Look through all forwarder blocks at once.



    * g++.dg/opt/pr55329.C: New test.



Added:

    trunk/gcc/testsuite/g++.dg/opt/pr55329.C

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/testsuite/ChangeLog

    trunk/gcc/tree-ssa-dom.c