--- old/test/gc/stress/gclocker/TestGCLocker.java	2017-04-18 11:50:26.753308549 +0200
+++ new/test/gc/stress/gclocker/TestGCLocker.java	2017-04-18 11:50:26.597307776 +0200
@@ -162,7 +162,6 @@
 
         while (!shouldExit()) {
             load();
-            ThreadUtils.sleep(100);
         }
     }
 }
@@ -175,7 +174,6 @@
         byte[] array = new byte[1024 * 1024];
         while (!shouldExit()) {
             fillWithRandomValues(array);
-            ThreadUtils.sleep(10);
         }
     }
 }
--- old/test/gc/stress/gclocker/libTestGCLocker.c	2017-04-18 11:50:27.305311286 +0200
+++ new/test/gc/stress/gclocker/libTestGCLocker.c	2017-04-18 11:50:27.153310533 +0200
@@ -29,7 +29,7 @@
   jbyte* p = (*env)->GetPrimitiveArrayCritical(env, arr, NULL);
   jsize i;
   for (i = 0; i < size; i++) {
-      *p = i % 128;
+    p[i] = i % 128;
   }
   (*env)->ReleasePrimitiveArrayCritical(env, arr, p, 0);
 }