[Bug tree-optimization/68455] [6 Regression] ICE: tree check: expected integer_cst, have plus_expr in decompose, at tree.h:5123

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68455

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Mon Nov 23 17:18:36 2015
New Revision: 230768

URL: https://gcc.gnu.org/viewcvs?rev=230768&root=gcc&view=rev
Log:
        PR tree-optimization/68455
        * tree-vrp.c (extract_range_from_binary_expr_1): Don't call
        extract_range_from_multiplicative_op_1 on symbolic ranges.

        * gcc.dg/tree-ssa/pr68455.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr68455.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c