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[Bug rtl-optimization/44012] [4.5/4.6 Regression] ICE: SIGSEGV in ira_merge_allocno_live_ranges
- From: "hjl at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 May 2010 14:05:28 -0000
- Subject: [Bug rtl-optimization/44012] [4.5/4.6 Regression] ICE: SIGSEGV in ira_merge_allocno_live_ranges
- References: <bug-44012-14164@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #14 from hjl at gcc dot gnu dot org 2010-05-10 14:05 -------
Subject: Bug 44012
Author: hjl
Date: Mon May 10 14:05:16 2010
New Revision: 159224
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=159224
Log:
Nullify regno_allocno_map of the removed allocno.
gcc/
2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline
2010-05-10 H.J. Lu<hongjiu.lu@intel.com>
Vladimir Makarov<vmakarov@redhat.com>
PR rtl-optimization/44012
* ira-build.c (remove_unnecessary_allocnos): Nullify
regno_allocno_map of the removed allocno.
gcc/testsuite/
2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline
2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
PR rtl-optimization/44012
* gcc.dg/pr44012.c: New.
Added:
branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/pr44012.c
Modified:
branches/gcc-4_5-branch/gcc/ChangeLog
branches/gcc-4_5-branch/gcc/ira-build.c
branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44012