decl2.c (import_export_vtable): If we support one_only but not weak symbols...

decl2.c (import_export_vtable): If we support one_only but not weak symbols...

	* decl2.c (import_export_vtable): If we support one_only but not
	weak symbols, mark instantiated template vtables one_only.
	(import_export_decl): Likewise for tinfo functions.
	(finish_vtable_vardecl): Also write out vtables from explicitly
	instantiated template classes.
	* pt.c (mark_class_instantiated): Revert last change.

From-SVN: r16779