PR 22018
	* tree-vrp.c (vrp_int_const_binop): New.
	(extract_range_from_binary_expr): Call it.
	Unify handling division and multiplication.

testsuite/ChangeLog:

	PR 22018
	* gcc.dg/tree-ssa/vrp13.c: Add multiplication tests.
	* gcc.dg/tree-ssa/pr22018.c: New test.

From-SVN: r100978