[Bug tree-optimization/38458] copy-propagation doesn't handle cycles

[rguenth at gcc dot gnu dot org]

------- Comment #3 from rguenth at gcc dot gnu dot org  2008-12-10 17:53 -------
Subject: Bug 38458

Author: rguenth
Date: Wed Dec 10 17:51:52 2008
New Revision: 142654

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142654
Log:
2008-12-10  Richard Guenther  <[EMAIL PROTECTED]>

        PR tree-optimization/38458
        * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
        argument use the arguments copy-of value.

Modified:
    branches/alias-improvements/gcc/ChangeLog.alias
    branches/alias-improvements/gcc/tree-ssa-copy.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38458