2012-04-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
	comment. Delete unused parameter first_exp_point_map.
	(virt_loc_aware_diagnostic_finalizer): Update call.
libcpp/
	* line-map.c (linemap_resolve_location): Synchronize comments with
	those in line-map.h.
	* include/line-map.h (linemap_resolve_location): Fix spelling in
	comment.

From-SVN: r186860