test/parse/expr/local-tee.txt - external/github.com/WebAssembly/wabt - Git at Google

 ;;; TOOL: wat2wasm
 (module
   (func
     (local i32)
     i32.const 0
     local.tee 0
     drop))
	;;; TOOL: wat2wasm
	(module
	(func
	(local i32)
	i32.const 0
	local.tee 0
	drop))