------- 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:     [EMAIL PROTECTED]       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



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18291

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