java.lang.AssertionError
   at org.netbeans.modules.cnd.asm.model.util.AsmModelUtilities.findAt(AsmModelUtilities.java:84)
   at org.netbeans.modules.cnd.asm.model.util.AsmModelUtilities.findAtRecursive(AsmModelUtilities.java:93)
   at org.netbeans.modules.cnd.asm.core.assistance.RegisterHighlightAction.getHighlight(RegisterHighlightAction.java:62)
   at org.netbeans.modules.cnd.asm.core.assistance.RegisterHighlightAssistance.update(RegisterHighlightAssistance.java:100)
   at org.netbeans.modules.cnd.asm.core.assistance.RegisterHighlightAssistance.caretUpdate(RegisterHighlightAssistance.java:127)
   at javax.swing.text.JTextComponent.fireCaretUpdate(JTextComponent.java:391)
   at javax.swing.text.JTextComponent$MutableCaretEvent.fire(JTextComponent.java:4387)
   at javax.swing.text.JTextComponent$MutableCaretEvent.mouseReleased(JTextComponent.java:4443)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
   at java.awt.Component.processMouseEvent(Component.java:6263)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
   at java.awt.Component.processEvent(Component.java:6028)
   at java.awt.Container.processEvent(Container.java:2041)
   at java.awt.Component.dispatchEventImpl(Component.java:4630)
   at java.awt.Container.dispatchEventImpl(Container.java:2099)
   at java.awt.Component.dispatchEvent(Component.java:4460)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4574)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4238)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4168)
   at java.awt.Container.dispatchEventImpl(Container.java:2085)
   at java.awt.Window.dispatchEventImpl(Window.java:2478)
   at java.awt.Component.dispatchEvent(Component.java:4460)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:137)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)