[Bug tree-optimization/71077] [7 Regression] gcc -lto raises ICE

[ppalka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71077

--- Comment #3 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Author: ppalka
Date: Wed Jun  1 02:36:27 2016
New Revision: 236973

URL: https://gcc.gnu.org/viewcvs?rev=236973&root=gcc&view=rev
Log:
Fix PR tree-optimization/71077

gcc/ChangeLog:

        PR tree-optimization/71077
        * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
        the combining step, use boolean_false_node and boolean_true_node
        as the designated false/true return values.

gcc/testsuite/ChangeLog:

        PR tree-optimization/71077
        * gcc.dg/tree-ssa/pr71077.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr71077.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-threadedge.c