gcc/testsuite/g++.dg/abi/vtt1.C - gcc - Git at Google

 // { dg-do compile }

 struct A {
 };

 struct B : virtual public A {
 };

 B b;

 // { dg-final { scan-assembler _ZTT1B } }
	// { dg-do compile }

	struct A {
	};

	struct B : virtual public A {
	};

	B b;

	// { dg-final { scan-assembler _ZTT1B } }