[Bug middle-end/38505] [4.4 Regression] Revision 142061 caused ICE on __builtin_memcpy

[jakub at gcc dot gnu dot org]

------- Comment #8 from jakub at gcc dot gnu dot org  2008-12-30 23:35 -------
Subject: Bug 38505

Author: jakub
Date: Tue Dec 30 23:34:28 2008
New Revision: 142972

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142972
Log:
        PR middle-end/38505
        * tree-ssa-ccp.c (may_propagate_address_into_dereference): Return
        false if ADDR's operand has incomplete type.

        Revert:
        2008-12-15  Jakub Jelinek  <jakub@redhat.com>
        PR middle-end/38505
        * tree-ssa.c (useless_type_conversion_p_1): Return
        false if inner_type is incomplete and outer_type is complete.

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


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38505