Return a new local RuntimeVariable initialized from args[0]

Property definitions

nitc $ JavaCompilerVisitor :: new_recv
	# Return a new local RuntimeVariable initialized from `args[0]`
	fun new_recv(mtype: MType): RuntimeVariable do
		var res = new_var(mtype)
		add("{res} = args[0];")
		return res
	end
src/compiler/java_compiler.nit:454,2--459,4