2.1.99 [ECMA-262/6] Section 21.2.5.7 get RegExp.prototype.multiline

V0146: RegExp.prototype.multiline is a data property, not an accessor property

The specification states:

 21.2.5.7 get RegExp.prototype.multiline
  
 RegExp.prototype.multiline is an accessor property whose set accessor function is 
 undefined. ...

IE11 Mode (All versions)

RegExp.prototype.multiline is a data property, not an accessor property. It has the following attributes:

    {[[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false}