Bug 1510080 - Fix appending into a fragmented fieldset. r=TYLin

Differential Revision: https://phabricator.services.mozilla.com/D13079
2018-11-29 21:54:57 +00:00
parent 1a4a7ac771
commit 89ff1f8802
3 changed files with 18 additions and 2 deletions
--- a/layout/base/nsCSSFrameConstructor.cpp
+++ b/layout/base/nsCSSFrameConstructor.cpp
@@ -6583,12 +6583,14 @@ nsCSSFrameConstructor::GetInsertionPrevSibling(InsertionPoint* aInsertion,
    } else {
      // No previous or next sibling, so treat this like an appended frame.
      *aIsAppend = true;
-      aInsertion->mParentFrame =
-        ::ContinuationToAppendTo(aInsertion->mParentFrame);

      // Deal with fieldsets.
      aInsertion->mParentFrame =
        ::GetAdjustedParentFrame(aInsertion->mParentFrame, aChild);
+
+      aInsertion->mParentFrame =
+        ::ContinuationToAppendTo(aInsertion->mParentFrame);
+
      prevSibling = ::FindAppendPrevSibling(aInsertion->mParentFrame, nullptr);
    }
  }