2014-03-10  Richard Biener  <rguenther@suse.de>

	PR middle-end/60474
	* tree.c (signed_or_unsigned_type_for): Handle OFFSET_TYPEs.

	* g++.dg/torture/pr60474.C: New testcase.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208451 138bc75d-0d04-0410-961f-82ee72b054a4