tree.h (SWITCH_COND, [...]): Add tree checks.

tree.h (SWITCH_COND, [...]): Add tree checks.

	* tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
	CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
	ASM_CLOBBERS): Add tree checks.

	* c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
	(SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
	* c-common.def (SWITCH_STMT): Update to match.
	* c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
	macros instead of SWITCH_EXPR ones.
	* c-dump.c (c_dump_tree): Likewise.
	* c-gimplify.c (gimplify_switch_stmt): Likewise.
	* c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.

cp/
	* decl.c (finish_case_label): Use SWITCH_STMT accessor macros
	instead of SWITCH_EXPR ones.
	* pt.c (tsubst_expr): Likewise.
	* semantics.c (begin_switch_stmt, finish_switch_cond,
	finish_switch_stmt): Likewise.

doc/
	* c-tree.texi (SWITCH_STMT): Update accessor macro names.

From-SVN: r94315