[Bug tree-optimization/34989] [4.3 Regression] ICE in get_addr_dereference_operands, at tree-ssa-operands.c:1698 with IMA

[rguenth at gcc dot gnu dot org]

------- Comment #14 from rguenth at gcc dot gnu dot org  2008-03-14 16:34 -------
Subject: Bug 34989

Author: rguenth
Date: Fri Mar 14 16:34:11 2008
New Revision: 133221

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=133221
Log:
2008-03-14  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2008-02-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34989
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
        * Re-structure.
        Allow propagation to INDIRECT_REF if we can simplify only.

        * gcc.dg/pr34989-1.c: New testcase.
        * gcc.dg/pr34989-2.c: Likewise.

Added:
    branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/pr34989-1.c
    branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/pr34989-2.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-forwprop.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34989