[Bug tree-optimization/36666] [4.4 Regression] ICE in process_constraint, at tree-ssa-structalias.c:2573

["rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #5 from rguenth at gcc dot gnu dot org  2008-07-01 11:06 -------
Subject: Bug 36666

Author: rguenth
Date: Tue Jul  1 11:05:17 2008
New Revision: 137315

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=137315
Log:
2008-07-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36666
        * tree-ssa-structalias.c (get_constraint_for_1): Declare.
        (get_constraint_exp_from_ssa_var): Split into ...
        (get_constraint_exp_for_temp): ... this ...
        (get_constraint_for_ssa_var): ... and that.
        Return constraint expressions for all touched sub-fields
        if the results address is not taken.
        (process_constraint): Remove assertion that aggregate
        assignments do not happen at this place.
        (get_constraint_for_component_ref): Add address_p argument.
        Return constraint expressions for all touched sub-fields
        if the results address is not taken.
        (do_deref): Use get_constraint_exp_for_temp.
        (get_constraint_for_1): Rename from ...
        (get_constraint_for): ... this.  Add the old function as
        wrapper.
        (do_structure_copy): Use get_constraint_for_1.

        * gcc.c-torture/compile/pr36666.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr36666.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-structalias.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36666