re PR tree-optimization/77988 (ICE on valid code at -Os and above on x86_64-linux-gnu: verify_gimple failed)

2016-10-17  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/77988
	* tree-vrp.c (remove_range_assertions): Use replace_uses_by.

	* gcc.dg/torture/pr77988.c: New testcase.

From-SVN: r241242