[Bug tree-optimization/54624] New: [4.8 Regression] r191253 causes gcc.dg/builtin-object-size-8.c runtime failure on alpha

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54624

             Bug #: 54624
           Summary: [4.8 Regression] r191253 causes
                    gcc.dg/builtin-object-size-8.c runtime failure on
                    alpha
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: ubiz...@gmail.com


Revision 191253 [1] causes runtime failure in gcc.dg/builtin-object-size-8.c:

Author: rguenth
Date: Thu Sep 13 12:43:58 2012
New Revision: 191253

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191253
Log:
2012-09-13  Richard Guenther  <rguent...@suse.de>

    * tree-ssa-sccvn.h (enum vn_kind): New.
    (vn_get_stmt_kind): Likewise.
    * tree-ssa-sccvn.c (vn_get_stmt_kind): New function, adjust
    ADDR_EXPR handling.
    (visit_use): Use it.
    * tree-ssa-pre.c (compute_avail): Likewise, simplify further.

    * gcc.dg/tree-ssa/ssa-fre-37.c: New testcase.

[1] http://gcc.gnu.org/ml/gcc-cvs/2012-09/msg00410.html