[Bug tree-optimization/33508] [4.3 Regression] tree struct aliasing goes into a loop marking call clobbers.

[rguenth at gcc dot gnu dot org]

------- Comment #9 from rguenth at gcc dot gnu dot org  2007-09-21 09:37 -------
Subject: Bug 33508

Author: rguenth
Date: Fri Sep 21 09:36:52 2007
New Revision: 128645

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128645
Log:
2007-09-21  Richard Guenther  <[EMAIL PROTECTED]>

        PR tree-optimization/33508
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid
        quadratic loop by keeping a bitmap of variables we have
        to clobber all subvariables for.
        (set_initial_properties): Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-alias.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33508