用于进行gcc测试

				/* PR c/13382 */				/* Origin: Richard Hutchinson  */								/* Verify that the null initializer is converted to the right				   pointer type.  */								/* { dg-do compile } */				/* { dg-options "-O" } */								struct t				{				  int aMember;				};								struct t *const aPointer = 0;								void foo()				{				  int anInt = (aPointer == 0) ? 0 : aPointer->aMember;				}