* class.c (build_vtbl_initializer): Don't use build_vtable_entry.
	(build_vtable_entry): Remove.
	* cp-tree.h (BINFO_VIRTUALS): Expand documentation.
	(lang_decl): Add thunks.
	(DECL_THUNKS): New macro.
	* decl.c (duplicate_decls): Copy it.
	* method.c (make_thunk): Simplify, and add thunks to DECL_THUNKS.
	* semantics.c (emit_associated_thunks): Simplify.

	* g++.dg/abi/vthunk2.C: New test.

From-SVN: r58536