linux下的gcc编译器

				// { dg-do compile }								// Copyright (C) 2002 Free Software Foundation, Inc.				// Contributed by Nathan Sidwell 17 Mar 2002 				// Origin: Jakub Jelinek 								// PR 5681. ICE in build_secondary_vtable								struct A {				  virtual int f1 ();				};								struct B : virtual A {};								struct C {				  virtual int f2 ();				};								struct E : A {};								struct D : E,  B {};								struct F : virtual D {};								struct G : virtual F,  C {};								struct H : virtual F {};								struct I : G,  H {};