linux下编程用 编译软件

				// { dg-do compile }								// Origin: Giovanni Bajo 								// PR c++/11174: Access checking on pointer to member data.								struct A 				{				protected:				  int a;			// { dg-error "protected" }				};								struct B : A 				{				  void foo() {				    (void)&A::a;		// { dg-error "this context" }				  }				};