[Bug middle-end/36143] [4.4/4.5 Regression]: FAIL: g++.dg/tree-ssa/pr19637.C

[rguenth at gcc dot gnu dot org]

------- Comment #14 from rguenth at gcc dot gnu dot org  2009-09-24 13:47 -------
Subject: Bug 36143

Author: rguenth
Date: Thu Sep 24 13:47:26 2009
New Revision: 152122

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=152122
Log:
2009-09-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36143
        PR tree-optimization/38747
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
        create VIEW_CONVERT_EXPRs for TBAA compatible accesses.

        * gcc.dg/tree-ssa/fre-vce-1.c: XFAIL.
        * gcc.dg/tree-ssa/forwprop-6.c: Likewise.
        * g++.dg/torture/pr38747.C: New testcase.
        * g++.dg/tree-ssa/pr19637.C: Un-XFAIL.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr38747.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/tree-ssa/pr19637.C
    trunk/gcc/testsuite/gcc.dg/tree-ssa/forwprop-6.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/fre-vce-1.c
    trunk/gcc/tree-ssa-forwprop.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36143