In 7124373 there are mentioned 2 tests failing with a similar exception. Now, first of them runs OK in b11 after a fix to 7124373 but not the second.

It is
java/awt/dnd/ImageDecoratedDnDNegative/ImageDecoratedDnDNegative
and it still fails in b11 with quite the same

Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: Width (-1) and height (-1) cannot be <= 0
 at java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java:1016)
 at java.awt.image.BufferedImage.<init>(BufferedImage.java:357)
 at sun.lwawt.macosx.CImage$Creator.createFromImage(CImage.java:101)
 at sun.lwawt.macosx.CPlatformWindow.getImageForTarget(CPlatformWindow.java:734)
 at sun.lwawt.macosx.CPlatformWindow.updateIconImages(CPlatformWindow.java:541)
 at sun.lwawt.macosx.CPlatformWindow.setVisible(CPlatformWindow.java:506)
 at sun.lwawt.LWWindowPeer$1.run(LWWindowPeer.java:273)
 at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
 at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:705)
 at java.awt.EventQueue.access$000(EventQueue.java:101)
 at java.awt.EventQueue$3.run(EventQueue.java:666)
 at java.awt.EventQueue$3.run(EventQueue.java:664)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
 at java.awt.EventQueue.dispatchEvent(EventQueue.java:675)
 at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:240)
 at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:157)
 at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:146)
 at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:142)
 at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:134)
 at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)