[Bug tree-optimization/45535] [4.6 regression] ICE during tree_ssa_dse

[rguenth at gcc dot gnu dot org]

------- Comment #5 from rguenth at gcc dot gnu dot org  2010-09-05 10:47 -------
Subject: Bug 45535

Author: rguenth
Date: Sun Sep  5 10:47:05 2010
New Revision: 163877

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163877
Log:
2010-09-05  Richard Guenther  <rguent...@suse.de>

        PR tree-optimization/45535
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
        handle TMR_INDEX2.  Make sure TMR_INDEX is not NULL before
        dereferencing it.
        (indirect_refs_may_alias_p): Likewise.

        * gcc.c-torture/compile/pr45535.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr45535.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-alias.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45535