gcc/testsuite/g++.dg/template/ttp24.C - gcc - Git at Google

 // PR c++/30897

 template<template <typename T, typename = T > class U> struct A
 {
   template<int> U<int> foo();
 };
	// PR c++/30897

	template<template <typename T, typename = T > class U> struct A
	{
	template<int> U<int> foo();
	};