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[Bug tree-optimization/41377] [4.5 Regression] gimple EH rewrite causes ICE with PPRE (enabled at -O3)
- From: "rth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 Oct 2009 18:42:15 -0000
- Subject: [Bug tree-optimization/41377] [4.5 Regression] gimple EH rewrite causes ICE with PPRE (enabled at -O3)
- References: <bug-41377-1771@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from rth at gcc dot gnu dot org 2009-10-13 18:42 -------
Subject: Bug 41377
Author: rth
Date: Tue Oct 13 18:41:56 2009
New Revision: 152728
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=152728
Log:
PR tree-optimization/41377
* tree-eh.c (unsplit_eh): Propagate degenerate PHIs.
(cleanup_empty_eh_merge_phis): New change_region parameter;
pass it on to redirect_eh_edge_1. Update callers.
(cleanup_empty_eh_unsplit): Don't require an existing EH label
at the destination block.
Added:
trunk/gcc/testsuite/g++.dg/opt/eh5.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-eh.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41377