r193806 - in /trunk/gcc: ChangeLog testsuite/Ch...

[jakub@gcc.gnu.org]

Author: jakub
Date: Mon Nov 26 09:19:30 2012
New Revision: 193806

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193806
Log:
	PR tree-optimization/54471
	* tree-vrp.c (extract_range_from_binary_expr_1): For MULT_EXPR,
	don't canonicalize range if min2 is zero.

	* gcc.dg/tree-ssa/vrp86.c: New test.
	* gcc.c-torture/execute/pr54471.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr54471.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp86.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c