code: def _make_function(instr, queue, stack, body, context):
      
      assert stack, "Empty stack before MAKE_FUNCTION."
      prev = stack[-1]
      expect(prev, instrs.LOAD_CONST, "before MAKE_FUNCTION")
  
      stack.append(instr)
  
      if is_lambda_name(prev.arg):
          return
  
      return context.update(
          make_function_context=MakeFunctionContext(
              closure=isinstance(instr, instrs.MAKE_CLOSURE),
          )
      )
docs: Set a make_function_context, then push onto the stack.