[Bug tree-optimization/37207] [4.4 Regression] ice at tree-ssa-ifcombine.c:222 for -Os

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2008-08-29 08:37 -------
Subject: Bug 37207

Author: rguenth
Date: Fri Aug 29 08:36:10 2008
New Revision: 139754

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=139754
Log:
2008-08-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37207
        * tree-vrp.c (extract_range_from_binary_expr): Also try
        to constant fold if only one of the operands is a constant.

        * gcc.dg/tree-ssa/vrp46.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp46.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37207