------- Comment #5 from rguenth at gcc dot gnu dot org  2008-03-07 09:47 -------
Subject: Bug 35472

Author: rguenth
Date: Fri Mar  7 09:47:06 2008
New Revision: 133004

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=133004
Log:
2008-03-07  Richard Guenther  <[EMAIL PROTECTED]>

        PR tree-optimization/35472
        * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
        whose single use_stmt has a overlapping set of loaded and
        stored symbols as that use_stmt might be a noop assignment then.

        * gcc.c-torture/execute/pr35472.c: New testcase.

Added:
    branches/gcc-4_3-branch/gcc/testsuite/gcc.c-torture/execute/pr35472.c
      - copied unchanged from r132899,
trunk/gcc/testsuite/gcc.c-torture/execute/pr35472.c
Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_3-branch/gcc/tree-ssa-dse.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35472

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