8271743: mark hotspot runtime/jni tests which ignore external VM flags

Reviewed-by: dholmes

Author: iignatev

test/hotspot/jtreg/runtime/jni/CalleeSavedRegisters/FPRegs.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2021, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,6 +28,7 @@
  * @comment Test uses custom launcher that starts VM in primordial thread. This is
  *          not possible on aix.
  * @requires os.family != "aix"
+ * @requires vm.flagless
  * @library /test/lib
  * @modules java.base/jdk.internal.misc
  * @run main/native FPRegs

test/hotspot/jtreg/runtime/jni/checked/TestCheckedReleaseArrayElements.java

@@ -24,6 +24,7 @@
 /* @test
  * @bug 8258077
  * @summary verify multiple release calls on a copied array work when checked
+ * @requires vm.flagless
  * @library /test/lib
  * @run main/native TestCheckedReleaseArrayElements launch
  */