test/Modules/Inputs/nested-template-default-arg-redecl/strct.h - clang - Git at Google

 #ifndef STRCT_H
 #define STRCT_H
 struct strct_outer {
   template <typename = int>
   struct strct;
 };
 #endif
	#ifndef STRCT_H
	#define STRCT_H
	struct strct_outer {
	template <typename = int>
	struct strct;
	};
	#endif