Bug 418756. When inserting a radio, default its "checked changed" state to its existing "checked changed" state. r+sr=sicking

content/html/content/src/nsHTMLInputElement.cpp

@@ -2823,7 +2823,7 @@ nsHTMLInputElement::AddedToRadioGroup(PRBool aNotify)
   // For integrity purposes, we have to ensure that "checkedChanged" is
   // the same for this new element as for all the others in the group
   //
-  PRBool checkedChanged = PR_FALSE;
+  PRBool checkedChanged = GET_BOOLBIT(mBitField, BF_CHECKED_CHANGED);
   nsCOMPtr<nsIRadioVisitor> visitor;
   nsresult rv = NS_GetRadioGetCheckedChangedVisitor(&checkedChanged, this,
                                            getter_AddRefs(visitor));

content/html/content/test/Makefile.in

@@ -112,6 +112,7 @@ _TEST_FILES = 	test_bug589.html \
 		test_bug408231.html \
 		test_bug417760.html \
 		file_bug417760.png \
+		test_bug418756.html \
 		test_bug421640.html \
 		test_bug424698.html \
 		test_bug428135.xhtml \