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[Bug tree-optimization/38745] [4.4 Regression] ICE: statement makes a memory store, but has no VDEFS
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 26 Jan 2009 09:55:42 -0000
- Subject: [Bug tree-optimization/38745] [4.4 Regression] ICE: statement makes a memory store, but has no VDEFS
- References: <bug-38745-16726@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #17 from rguenth at gcc dot gnu dot org 2009-01-26 09:55 -------
Subject: Bug 38745
Author: rguenth
Date: Mon Jan 26 09:55:30 2009
New Revision: 143673
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143673
Log:
2009-01-26 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38745
* tree-ssa.c (execute_update_addresses_taken): Do not include
variables that cannot possibly be a register in not_reg_needs.
Do not clear TREE_ADDRESSABLE on vars that may not become
registers.
* tree-ssa.c (update_alias_info_1): Include those in the set
of addressable vars.
* g++.dg/torture/pr38745.C: New testcase.
Added:
trunk/gcc/testsuite/g++.dg/torture/pr38745.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-alias.c
trunk/gcc/tree-ssa.c
------- Comment #18 from rguenth at gcc dot gnu dot org 2009-01-26 09:55 -------
Fixed.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38745