re PR ipa/81112 (internal compiler error: tree check: expected integer_cst, have range_expr in get_len, at tree.h:5321)

2017-06-19  Richard Biener  <rguenther@suse.de>

	PR ipa/81112
	* ipa-prop.c (find_constructor_constant_at_offset): Handle
	RANGE_EXPR conservatively.

	* g++.dg/torture/pr81112.C: New testcase.

From-SVN: r249357