test/br_to_exit.wasm.fromBinary - external/github.com/WebAssembly/binaryen - Git at Google

 (module
  (type $0 (func))
  (func $0
   (block $label$0
    (br $label$0)
   )
  )
 )
	(module
	(type $0 (func))
	(func $0
	(block $label$0
	(br $label$0)
	)
	)
	)