Bug 1309720, ensure expected DOM tree operations when calling insertBefore, r=ehsan

2016-10-14 15:33:42 +03:00
parent 6f19ca1a32
commit 45a7bbd8ea
12 changed files with 33 additions and 17 deletions
--- a/dom/html/HTMLSelectElement.cpp
+++ b/dom/html/HTMLSelectElement.cpp
@@ -587,7 +587,8 @@ HTMLSelectElement::Add(nsGenericHTMLElement& aElement,

  // If the before parameter is not null, we are equivalent to the
  // insertBefore method on the parent of before.
-  parent->InsertBefore(aElement, aBefore, aError);
+  nsCOMPtr<nsINode> refNode = aBefore;
+  parent->InsertBefore(aElement, refNode, aError);
 }

 NS_IMETHODIMP