8345164: Remove residual --enable-preview in FFM tests and benchmarks

Reviewed-by: mcimadamore, jvernee

Author: minborg

test/jdk/java/foreign/enablenativeaccess/TestEnableNativeAccessJarManifest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2023, 2024 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
@@ -21,7 +21,7 @@
  * questions.
  */
 
-/**
+/*
  * @test
  * @summary Basic test for Enable-Native-Access attribute in the
  *          manifest of a main application JAR
@@ -78,7 +78,6 @@ public void testEnableNativeAccessInJarManifest(String action, String cls, Resul
 
         // java -jar test.jar
         List<String> command = new ArrayList<>(List.of(
-            "--enable-preview",
             "-Djava.library.path=" + System.getProperty("java.library.path")
         ));
         command.addAll(vmArgs);

test/micro/org/openjdk/bench/java/lang/foreign/ToJavaStringTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2023, 2024 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
@@ -43,7 +43,7 @@
 @Measurement(iterations = 10, time = 500, timeUnit = TimeUnit.MILLISECONDS)
 @State(Scope.Benchmark)
 @OutputTimeUnit(TimeUnit.NANOSECONDS)
-@Fork(value = 3, jvmArgs = { "--enable-native-access=ALL-UNNAMED", "--enable-preview", "-Djava.library.path=micro/native" })
+@Fork(value = 3, jvmArgs = { "--enable-native-access=ALL-UNNAMED", "-Djava.library.path=micro/native" })
 public class ToJavaStringTest {
 
     private MemorySegment strSegment;