[Bug tree-optimization/38359] [4.3/4.4 regression] ICE in set_lattice_value, at tree-ssa-ccp.c:466

[rguenth at gcc dot gnu dot org]

------- Comment #6 from rguenth at gcc dot gnu dot org  2008-12-02 14:50 -------
Subject: Bug 38359

Author: rguenth
Date: Tue Dec  2 14:49:00 2008
New Revision: 142356

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142356
Log:
2008-12-02  Richard Guenther  <[EMAIL PROTECTED]>

        PR tree-optimization/38359
        * fold-const.c (fold_binary): Fold -1 >> x to -1 only for
        non-negative x.

        * gcc.c-torture/compile/pr38359.c: New testcase.
        * gcc.c-torture/execute/shiftopt-1.c: Adjust.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.c-torture/execute/shiftopt-1.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38359

------- You are receiving this mail because: -------
You reported the bug, or are watching the reporter.


-- 
To UNSUBSCRIBE, email to [EMAIL PROTECTED]
with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]