* vec.h: Update API to separate allocation mechanism from type.
	(VEC_safe_grow): New.
	* vec.c (calculate_allocation): New.
	(vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
	(vec_gc_free, vec_heap_free): Remove.
	* gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
	(VEC): Likewise.
	(mangle_macro_name): New.
	(struct macro_def): New.
	(struct macro): Add multiple argument values.
	(macro_expans_end): New.
	(push_macro_expansion):  Chain on new macro. Process multiple
	args, create follow on expansion. Return follow on argument.
	(macro_input): Deal with multiple arguments.

	* tree.h: Define VEC(tree,heap) and VEC(tree,gc).
	(struct tree_binfo): Adjust.
	* basic-block.h: Define VEC(edge,gc).
	(struct edge_def): Adjust.
	(struct basic_block_def, struct edge_iterator): Likewise.
	(ei_container, ei_start_1, ei_last_1): Likewise.
	* cfg.c (connect_src, connect_dest): Likewise.
	* cfgrtl.c (force_nonfallthru_and_redirect)
	* dbxout.c (dbxout_type)
	* dwarf2out.c (gen_member_die)
	* lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
	(gcc_tree_to_linear_expression): Adjust.
	(gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
	lbv_to_gcc_expression, lle_to_gcc_expression,
	lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
	perfect_nestify): Likewise.
	* lambda.h (gcc_loopnest_to_lambda_loopnest,
	lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
	* profile.c (instrument_values): Adjust.
	* tree-cfg.c (modified_noreturn_calls): Adjust.
	(remove_fallthru_edge): Likewise.
	* tree-dump.c (dequeue_and_dump): Adjust.
	* tree-flow-inline.h (mark_stmt_modified): Adjust.
	* tree-flow.h (modified_noreturn_calls): Adjust.
	(tree_on_heap): Remove. (yay!)
	(register_new_def): Adjust.
	* tree-into-ssa.c: Define VEC(int,heap).
	(block_defs_stack): Adjust.
	(find_idf, insert_phi_nodes, register_new_def,
	rewrite_initialize_block, rewrite_finalize_block,
	register_new_update_single, rewrite_update_init_block,
	rewrite_update_fini_block, rewrite_blocks,
	ssa_rewrite_finalize_block, ssa_register_new_def,
	ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
	* tree-loop-linear.c (linear_transform_loops): Adjust.
	* tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
	(push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
	* tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
	stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
	vrp_variables_stack): Adjust declarations.
	(tree_ssa_dominator_optimize): Adjust.
	(dom_opt_initialize_block, remove_local_expressions_from_table,
	restore_nonzero_vars_to_original_value,
	restore_vars_to_original_value,
	restore_currdefs_to_original_value, dom_opt_finalize_block,
	record_var_is_nonzero, record_cond, record_const_or_copy_1,
	optimize_stmt, update_rhs_and_lookup_avail_expr,
	lookup_avail_expr, record_range): Likewise.
	* tree-ssa-pre.c: Define VEC(basic_block,heap).
	(compute_antic_aux): Adjust.
	(inserted_exprs, create_expression_by_pieces,
	insert_into_preds_of_block, eliminate, mark_operand_necessary,
	remove_dead_inserted_code, fini_pre): Likewise.
	* tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
	(varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
	ssa_prop_init): Likewise.
	* tree-ssa.c: Define VEC(bitmap,heap).
	(verify_name_tags): Adjust.
	* value-prof.c (rtl_divmod_values_to_profile): Adjust.
	(insn_prefetch_values_to_profile, rtl_find_values_to_profile,
	tree_divmod_values_to_profile, tree_find_values_to_profile,
	value_profile_transformations): Likewise.
	* value-prof.h: Define VEC(histogram_value,heap).
	* varasm.c: Remove alias_pair pointer typedef, define
	VEC(alias_pair,gc).
	(finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.

	* config/pa/pa.c (typedef extern_symbol): Typedef the structure,
	not a pointer to it.  Create an object vector.
	(extern_symbols): Turn into an object vector.
	(pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.

	* cp/cp-tree.h: Adjust for new VEC API.
	Define VEC(tree_pair_s,gc).
	(struct save_scope): Adjust.
	(struct lang_type_class): Adjust.
	(unemitted_tinfo_decls): Adjust.
	* cp/class.c (add_method, resort_type_method_vec,
	finish_struct_methods, struct find_final_overrider_data,
	dfs_find_final_overrider_pre, find_final_overrider,
	get_vcall_index, warn_hidden, walk_subobject_offsets,
	check_methods, fixup_inline_methods, end_of_class,
	warn_about_ambiguous_bases, finish_struct, build_vtbl_initializer,
	add_vcall_offset): Adjust.
	* cp/decl.c (xref_basetypes, finish_method): Adjust.
	* cp/decl2.c (check_classfn): Adjust.
	* cp/init.c (sort_mem_initializers, push_base_cleanups): Adjust.
	* cp/method.c (do_build_copy_constructor): Adjust.
	* cp/name-lookup.c (new_class_binding, store_binding,
	store_bindings, store_class_bindings): Adjust.
	* cp/name-lookup.h: Define VEC(cxx_saved_binding,gc),
	VEC(cp_class_binding,gc).
	(struct cp_binding_level): Adjust.
	* cp/parser.c: Define VEC(cp_token_position,heap).
	(struct cp_lexer): Adjust.
	(cp_lexer_new_main, cp_lexer_new_from_tokens, cp_lexer_destroy,
	cp_lexer_save_tokens): Adjust.
	* cp/pt.c (retrieve_specialization,
	check_explicit_specialization): Adjust.
	* cp/rtti.c (unemitted_tinfo_decls): Adjust.
	(init_rtti_processing, get_tinfo_decl, get_pseudo_ti_init,
	get_pseudo_ti_desc): Adjust.
	* cp/search.c (dfs_access_in_type, lookup_conversion_operator,
	lookup_fnfields_1, dfs_walk_once, dfs_walk_once_accessible,
	dfs_get_pure_virtuals, lookup_conversions_r, binfo_for_vbase): Adjust.
	* cp/semantics.c: Define VEC(deferred_access,gc).
	(push_deferring_access_checks): Adjust.
	* cp/typeck2.c (abstract_virtuals_error): Adjust.

From-SVN: r98498