* tree-ssanames.c (set_range_info_raw): Abstract from ...
	(set_range_info): ...here.  Only call set_range_info_raw if domain
	is useful.
	(set_nonzero_bits): Call set_range_info_raw.
	* tree-ssanames.h (set_range_info_raw): New.
testsuite/
	* gcc.dg/Walloca-14.c: Adapt test to recognize new complaint of
	unbounded use.

From-SVN: r249846