8271904: mark hotspot runtime/ClassFile tests which ignore external VM flags

Reviewed-by: dholmes

test/hotspot/jtreg/runtime/ClassFile/FormatCheckingTest.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
@@ -25,6 +25,7 @@
  * @test
  * @bug 8148854
  * @summary Ensure class name loaded by app class loader is format checked by default
+ * @requires vm.flagless
  * @library /test/lib
  * @compile BadHelloWorld.jcod
  * @modules java.base/jdk.internal.misc

test/hotspot/jtreg/runtime/ClassFile/JsrRewriting.java

@@ -32,6 +32,7 @@
  * @bug 7053586
  * @bug 7185550
  * @bug 7149464
+ * @requires vm.flagless
  * @library /test/lib
  * @modules java.base/jdk.internal.misc
  *          java.desktop

test/hotspot/jtreg/runtime/ClassFile/OomWhileParsingRepeatedJsr.java

@@ -33,6 +33,7 @@
  * @bug 7037122
  * @bug 7123945
  * @bug 8016029
+ * @requires vm.flagless
  * @library /test/lib
  * @modules java.base/jdk.internal.misc
  *          java.desktop

test/hotspot/jtreg/runtime/ClassFile/TestCheckedExceptions.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2020, 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
@@ -29,6 +29,7 @@
  *          clause does not cause the JVM to assert nor throw an exception.
  *          Also, test that logging can be used to print a message about bogus
  *          classes in method throws clauses.
+ * @requires vm.flagless
  * @library /test/lib
  * @compile CheckedExceptions.jcod
  * @run driver TestCheckedExceptions