[Bug tree-optimization/50802] [4.7 Regression] FAIL: gcc.c-torture/execute/arith-rand-ll.c execution at -O2 and -Os

[amylaar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50802

--- Comment #19 from Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> 
2011-12-01 14:25:52 UTC ---
Author: amylaar
Date: Thu Dec  1 14:25:24 2011
New Revision: 181880

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181880
Log:
        PR tree-optimization/50802
        * tree-vrp.c (simplify_conversion_using_ranges): Rewrite test
        considering what happens to ranges during sign changes and/or
        intermediate narrowing conversions.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vrp.c