--- old/src/share/vm/prims/jni.cpp	2015-06-12 14:52:04.711093534 +0200
+++ new/src/share/vm/prims/jni.cpp	2015-06-12 14:52:04.583089368 +0200
@@ -3855,6 +3855,7 @@
   unit_test_function_call
 
 // Forward declaration
+void test_workgang();
 void test_semaphore();
 void TestOS_test();
 void TestReservedSpace_test();
@@ -3881,6 +3882,7 @@
 void execute_internal_vm_tests() {
   if (ExecuteInternalVMTests) {
     tty->print_cr("Running internal VM tests");
+    run_unit_test(test_workgang());
     run_unit_test(test_semaphore());
     run_unit_test(TestOS_test());
     run_unit_test(TestReservedSpace_test());