Forgot to include these nil checks in my previous checkin.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@20457 268f45cc-cd09-0410-ab3c-d52691b4dbfc

diff --git a/WebCore/editing/ReplaceSelectionCommand.cpp b/WebCore/editing/ReplaceSelectionCommand.cpp
index 346460ccc43c254e940cf86d3f34fcfa84b18a9d..f5b9f6b1729bcc85a526b3fbf224ed8f63d74d8a 100644 (file)
--- a/WebCore/editing/ReplaceSelectionCommand.cpp
+++ b/WebCore/editing/ReplaceSelectionCommand.cpp
@@ -129,12 +129,12 @@ bool ReplacementFragment::isEmpty() const
 
 Node *ReplacementFragment::firstChild() const 
 { 
-    return m_fragment->firstChild(); 
+    return m_fragment ? m_fragment->firstChild() : 0; 
 }
 
 Node *ReplacementFragment::lastChild() const 
 { 
-    return m_fragment->lastChild(); 
+    return m_fragment ? m_fragment->lastChild() : 0; 
 }
 
 void ReplacementFragment::removeNodePreservingChildren(Node *node)