cp-tree.def (VEC_INIT_EXPR): Remove.

cp-tree.def (VEC_INIT_EXPR): Remove.

	* cp-tree.def (VEC_INIT_EXPR): Remove.
	* cp-tree.h (struct stmt_tree): New type.
	(struct saved_scope): Remove firstobj.  Add x_saved_tree,
	x_stmt_tree.
	(class_cache_firstobj): Remove.
	(struct language_function): Remove stmts_are_full_exprs_p,
	x_last_tree, and x_last_expr_type.  Add x_stmt_tree.
	(current_stmt_tree): New macro.
	(last_tree): Adjust.
	(last_expr_type): Likewise.
	(doing_semantic_analysis_p): Simplify.
	(stmts_are_full_exprs_p): Adjust.
	(begin_tree): Remove prototype.
	(end_tree): Likewise.
	(begin_stmt_tree): Change prototype.
	(finish_stmt_tree): Likewise.
	(building_stmt_tree): Simplify.
	* decl.c (mark_stmt_tree): New function.
	(mark_saved_scope): Use it.
	(start_function): Rearrange slightly to call begin_stmt_tree
	earlier.
	(save_function_data): Tweak.
	(finish_function): Adjust call to finish_stmt_tree.
	(mark_lang_function): Use mark_stmt_tree.
	* expr.c (cplus_expand_expr): Don't handle VEC_INIT_EXPR.
	* init.c (build_new_1): Remove creation of VEC_INIT_EXPR.
	(build_vec_init): Remove creation of stand-in intializer.
	* pt.c (begin_tree): Remove.
	(end_tree): Likewise.
	* semantics.c (SET_LAST_STMT): New macro.  Use it throughout.
	(begin_compound_stmt): Handle a compound-statement outside of a
	function.
	(begin_stmt_expr): Handle a statement-expression outsidef of a
	function.
	(finish_stmt_expr): Likewise.
	(begin_class_definition): Don't call begin_tree.
	(finish_inline_definitions): Don't call end_tree.
	(begin_stmt_tree): Take a pointer to tree, not a function as input.
	(finish_stmt_tree): Likewise.
	* tree.c (search_tree): Don't handle VEC_INIT_EXPR.
	(mapcar): Likewise.

	* parse.y (simple_stmt): Don't call finish_stmt unnecessarily.
	* parse.c: Regenerated.

	* dump.c (dqueue_and_dump): Dump bitfieldness.

From-SVN: r29786