src/macosx/classes/sun/lwawt/macosx/LWCToolkit.java

*** 534,544 ****
          if (component != null) {
              AppContext appContext = SunToolkit.targetToAppContext(component);
              SunToolkit.postEvent(appContext, invocationEvent);
  
              // 3746956 - flush events from PostEventQueue to prevent them from getting stuck and causing a deadlock
!             sun.awt.SunToolkitSubclass.flushPendingEvents(appContext);
          } else {
              // This should be the equivalent to EventQueue.invokeAndWait
              ((LWCToolkit)Toolkit.getDefaultToolkit()).getSystemEventQueueForInvokeAndWait().postEvent(invocationEvent);
          }
  
--- 534,544 ----
          if (component != null) {
              AppContext appContext = SunToolkit.targetToAppContext(component);
              SunToolkit.postEvent(appContext, invocationEvent);
  
              // 3746956 - flush events from PostEventQueue to prevent them from getting stuck and causing a deadlock
!             SunToolkit.flushPendingEvents(appContext);
          } else {
              // This should be the equivalent to EventQueue.invokeAndWait
              ((LWCToolkit)Toolkit.getDefaultToolkit()).getSystemEventQueueForInvokeAndWait().postEvent(invocationEvent);
          }
  
*** 559,569 ****
          if (component != null) {
              final AppContext appContext = SunToolkit.targetToAppContext(component);
              SunToolkit.postEvent(appContext, invocationEvent);
  
              // 3746956 - flush events from PostEventQueue to prevent them from getting stuck and causing a deadlock
!             sun.awt.SunToolkitSubclass.flushPendingEvents(appContext);
          } else {
              // This should be the equivalent to EventQueue.invokeAndWait
              ((LWCToolkit)Toolkit.getDefaultToolkit()).getSystemEventQueueForInvokeAndWait().postEvent(invocationEvent);
          }
  
--- 559,569 ----
          if (component != null) {
              final AppContext appContext = SunToolkit.targetToAppContext(component);
              SunToolkit.postEvent(appContext, invocationEvent);
  
              // 3746956 - flush events from PostEventQueue to prevent them from getting stuck and causing a deadlock
!             SunToolkit.flushPendingEvents(appContext);
          } else {
              // This should be the equivalent to EventQueue.invokeAndWait
              ((LWCToolkit)Toolkit.getDefaultToolkit()).getSystemEventQueueForInvokeAndWait().postEvent(invocationEvent);
          }