[Bug tree-optimization/18291] [4.0 Regression]: ICE in merge_alias_info
cvs-commit at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Wed Dec 1 18:54:00 GMT 2004
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-12-01 18:54 -------
Subject: Bug 18291
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: dnovillo@gcc.gnu.org 2004-12-01 18:54:05
Modified files:
gcc : ChangeLog tree-ssa-copy.c
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/gcc.c-torture/compile: pr18291.c
Log message:
PR tree-optimization/18291
* tree-ssa-copy.c (merge_alias_info): Fix merging of
flow-sensitive alias information. If the new pointer has no
name tag, copy it from the original pointer. Otherwise, make
sure that the pointed-to sets have a common intersection.
testsuite/ChangeLog
PR tree-optimization/18291
* testsuite/gcc.c-torture/compile/pr18291.c: New test.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.6663&r2=2.6664
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-copy.c.diff?cvsroot=gcc&r1=2.20&r2=2.21
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.4699&r2=1.4700
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/compile/pr18291.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18291
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