[Bug tree-optimization/53501] [4.5/4.6 Regression] scev introduces signed overflow

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53501

--- Comment #7 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-06-01 
17:01:22 UTC ---
Author: ebotcazou
Date: Fri Jun  1 17:01:17 2012
New Revision: 188118

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188118
Log:
    PR middle-end/53501
    * fold-const.c (fold_binary_loc): Refine previous change.
testsuite/
    * c-c++-common/restrict-2.c: Revert previous change.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/c-c++-common/restrict-2.c