[Bug tree-optimization/27603] [4.1/4.2 Regression] wrong code, apparently due to bad VRP (-O2)

[rguenth at gcc dot gnu dot org]

------- Comment #12 from rguenth at gcc dot gnu dot org  2006-05-15 17:36 -------
Subject: Bug 27603

Author: rguenth
Date: Mon May 15 17:35:48 2006
New Revision: 113797

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=113797
Log:
2006-05-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/27603
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
        Do computations in original type.

        * gcc.dg/torture/pr27603.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr27603.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-niter.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27603