[Bug middle-end/38572] [4.4 Regression] ICE in set_value_range, at tree-vrp.c:398

[bonzini at gcc dot gnu dot org]

------- Comment #22 from bonzini at gnu dot org  2008-12-30 10:38 -------
Subject: Bug 38572

Author: bonzini
Date: Tue Dec 30 10:36:39 2008
New Revision: 142962

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142962
Log:
2008-12-30  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/38572
        * tree-vrp.c (vrp_visit_phi_node): Look out for invalid ranges
        and change them to VARYING.

Added:
    trunk/gcc/testsuite/g++.dg/tree-ssa/pr38572.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vrp.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38572