Build: 2000052310 Add a lot of panels, say, 20-25 in the Sidebar. Select Add->Customize. When the 'Customize Sidebar' dialog pops up, point and click the mouse on the 4th-5th panel and press theREMOVE button to remove the panel.Keep pressing the REMOVE button to remove all panels below this panel. When a sufficient number of panels have been removed( 20), click OK. Observe that the browser crashes. Stack trace: Call Stack: (Signature = InMemoryArcsEnumeratorImpl::HasMoreElements 52cf9d32) InMemoryArcsEnumeratorImpl::HasMoreElements [d:\builds\seamonkey\mozilla\rdf\base\src\nsInMemoryDataSource.cpp, line 607] XPTC_InvokeByIndex [d:\builds\seamonkey\mozilla\xpcom\reflect\xptcall\src\md\win32\xptcinvoke.cpp, line 139] nsXPCWrappedNativeClass::CallWrappedMethod [d:\builds\seamonkey\mozilla\js\src\xpconnect\src\xpcwrappednativeclass.cpp, line 915] WrappedNative_CallMethod [d:\builds\seamonkey\mozilla\js\src\xpconnect\src\xpcwrappednativejsops.cpp, line 195] js_Invoke [d:\builds\seamonkey\mozilla\js\src\jsinterp.c, line 687] js_Interpret [d:\builds\seamonkey\mozilla\js\src\jsinterp.c, line 2486] js_Invoke [d:\builds\seamonkey\mozilla\js\src\jsinterp.c, line 703] js_InternalInvoke [d:\builds\seamonkey\mozilla\js\src\jsinterp.c, line 776] JS_CallFunctionValue [d:\builds\seamonkey\mozilla\js\src\jsapi.c, line 2785] nsJSContext::CallEventHandler [d:\builds\seamonkey\mozilla\dom\src\base\nsJSEnvironment.cpp, line 792] nsJSEventListener::HandleEvent [d:\builds\seamonkey\mozilla\dom\src\events\nsJSEventListener.cpp, line 155] nsEventListenerManager::HandleEventSubType [d:\builds\seamonkey\mozilla\layout\events\src\nsEventListenerManager.cpp, line 755] nsEventListenerManager::HandleEvent [d:\builds\seamonkey\mozilla\layout\events\src\nsEventListenerManager.cpp, line 904] nsXULElement::HandleDOMEvent [d:\builds\seamonkey\mozilla\rdf\content\src\nsXULElement.cpp, line 3580] PresShell::HandleEventInternal [d:\builds\seamonkey\mozilla\layout\html\base\src\nsPresShell.cpp, line 3601] PresShell::HandleEventWithTarget [d:\builds\seamonkey\mozilla\layout\html\base\src\nsPresShell.cpp, line 3581] nsEventStateManager::CheckForAndDispatchClick [d:\builds\seamonkey\mozilla\layout\events\src\nsEventStateManager.cpp, line 1721] nsEventStateManager::PostHandleEvent [d:\builds\seamonkey\mozilla\layout\events\src\nsEventStateManager.cpp, line 830] PresShell::HandleEventInternal [d:\builds\seamonkey\mozilla\layout\html\base\src\nsPresShell.cpp, line 3622] PresShell::HandleEvent [d:\builds\seamonkey\mozilla\layout\html\base\src\nsPresShell.cpp, line 3536] nsView::HandleEvent [d:\builds\seamonkey\mozilla\view\src\nsView.cpp, line 774] nsViewManager2::DispatchEvent [d:\builds\seamonkey\mozilla\view\src\nsViewManager2.cpp, line 1369] HandleEvent [d:\builds\seamonkey\mozilla\view\src\nsView.cpp, line 69] nsWindow::DispatchEvent [d:\builds\seamonkey\mozilla\widget\src\windows\nsWindow.cpp, line 564] nsWindow::DispatchWindowEvent [d:\builds\seamonkey\mozilla\widget\src\windows\nsWindow.cpp, line 581] nsWindow::DispatchMouseEvent [d:\builds\seamonkey\mozilla\widget\src\windows\nsWindow.cpp, line 3675] ChildWindow::DispatchMouseEvent [d:\builds\seamonkey\mozilla\widget\src\windows\nsWindow.cpp, line 3880] nsWindow::ProcessMessage [d:\builds\seamonkey\mozilla\widget\src\windows\nsWindow.cpp, line 2795] nsWindow::WindowProc [d:\builds\seamonkey\mozilla\widget\src\windows\nsWindow.cpp, line 830] USER32.dll + 0x1820 (0x77e71820)

Adding crash keyword

*** This bug has been marked as a duplicate of 37428 ***

verified dup

verified duplicate