test/Modules/Inputs/autoload-subdirectory/a.h - clang - Git at Google

 #include "b.h"

 class foo {
   int x, y;

 public:
   foo(){};
   ~foo(){};
 };
	#include "b.h"

	class foo {
	int x, y;

	public:
	foo(){};
	~foo(){};
	};