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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/65506] [5 Regression] FAIL: gcc.dg/pr29215.c scan-tree-dump-not gimple "memcpy"
Date: Mon, 23 Mar 2015 09:55:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65506

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2015-03-23
           Assignee|unassigned at gcc dot gnu.org      |rguenth at gcc dot gnu.org
   Target Milestone|---                         |5.0
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Ok, that's probably caused by

2015-03-20  Richard Biener  <rguenther@suse.de>

        PR middle-end/64715
        * tree-chrec.c (chrec_fold_poly_cst): Use useless_type_conversion_p
        for type comparison and gcc_checking_assert.
        (chrec_fold_plus_poly_poly): Likewise.
        (chrec_fold_multiply_poly_poly): Likewise.
        (chrec_convert_1): Likewise.
        * gimplify.c (gimplify_expr): Remove premature folding of
        &X + CST to &MEM[&X, CST].

and should be fixed by adjusting the testcase to scan not the gimple dump
but the ccp1 dump.  Can you try that?