code: function exitFunction(node) {
  			if (scopeInfo.isBound && !scopeInfo.thisFound) {
  				report(node);
  			}
  
  			scopeInfo = scopeInfo.upper;
  		}
docs: Removes the scope information object from the top of the stack.
  At the same time, this reports the function node if the function has
  `.bind()` and the `this` keywords found.
  
  @param {ASTNode} node - A node to remove. This node is a
  FunctionExpression or a FunctionDeclaration node.
  @returns {void}