cp-tree.def (THUNK_DECL): Add to documentation.

cp-tree.def (THUNK_DECL): Add to documentation.

	* cp-tree.def (THUNK_DECL): Add to documentation.
	* cp-tree.h (flag_huge_objects): Declare.
	* class.c (modify_vtable_entry): Tidy.
	(update_vtable_entry_for_fn): Split out from dfs_modify_vtables.
	Calculate delta appropriately for the new ABI.
	(dfs_modify_vtables): Use it.
	(modify_all_vtables): Fix thinko in code to add overriding copies
	of functions to primary vtables.
	(build_clone): Fix typo in comment.
	(clone_function_decl): Correct order of destructors in vtable.
	(build_vbase_offset_vtbl_entries): Adjust comment.
	(dfs_vcall_offset_queue_p): Remove.
	(dfs_build_vcall_offset_vtbl_entries): Update BV_VCALL_INDEX.
	(build_vcall_offset_vtbl_entries): Juse use dfs_skip_vbases.
	(build_vtable_entry): Correct check for pure virtual functions.
	Don't declare flag_huge_objects.
	* decl.c (flag_huge_objects): Remove declaration.
	* method.c (make_thunk): Tweak mangling for vcall offset thunks.
	Use int_size_in_bytes.
	(emit_thunk): Handle vcall offset thunks.

From-SVN: r33185