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[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
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 16 Nov 2012 22:05:36 +0000
- Subject: [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
- Auto-submitted: auto-generated
- References: <bug-55329-4@http.gcc.gnu.org/bugzilla/>
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