code: private void processObjectCreateSetCall(Node callNode) {
      Node curParam = callNode.getSecondChild();
      if (canOptimizeObjectCreateSet(curParam)) {
        Node objNode = IR.objectlit().srcref(callNode);
        while (curParam != null) {
          Node keyNode = curParam;
          Node valueNode = IR.trueNode().srcref(keyNode);
  
          curParam = curParam.getNext();
          callNode.removeChild(keyNode);
  
          addKeyValueToObjLit(objNode, keyNode, valueNode);
        }
        callNode.replaceWith(objNode);
        compiler.reportChangeToEnclosingScope(objNode);
      }
    }
docs: Converts all of the given call nodes to object literals that are safe to
  do so.