* cfgcleanup.c (try_forward_edges): Use location_t for locations.
	* cfgrtl.c (rtl_merge_blocks): Fix comment.
	(cfg_layout_merge_blocks): Likewise.
	* except.c (emit_to_new_bb_before): Remove prev_bb local variable.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210416 138bc75d-0d04-0410-961f-82ee72b054a4