* tree-switch-conversion.h (switch_decision_tree::emit_case_nodes): Add
	location_t parameter.
	(switch_decision_tree::emit_cmp_and_jump_insns): Likewise.
	(switch_decision_tree::do_jump_if_equal): Likewise.
	* tree-switch-conversion.c (switch_decision_tree::emit): Pass location
	of switch statement to emit_case_nodes.
	(switch_decision_tree::emit_cmp_and_jump_insns): Add LOC parameter and
	set it on the newly built GIMPLE comparison statement.
	(switch_decision_tree::do_jump_if_equal): Likewise.
	(switch_decision_tree::emit_case_nodes): Add LOC parameter and pass it
	in calls to do_jump_if_equal as well as recursive calls.

From-SVN: r266213