[Bug tree-optimization/67769] [6 Regression] VRP pass does wrong optimization

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67769

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Thu Oct  1 14:25:42 2015
New Revision: 228341

URL: https://gcc.gnu.org/viewcvs?rev=228341&root=gcc&view=rev
Log:
        PR tree-optimization/67769
        * tree-ssa-phiopt.c (conditional_replacement): Call
        reset_flow_sensitive_info_in_bb.
        (minmax_replacement): Likewise.
        (abs_replacement): Likewise.

        * gcc.dg/torture/pr67769.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr67769.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-phiopt.c