8303374: Implement JEP 455: Primitive Types in Patterns, instanceof, and switch (Preview)

src/java.base/share/classes/java/lang/runtime/SwitchBootstraps.java

@@ -165,7 +165,6 @@ public static CallSite typeSwitch(MethodHandles.Lookup lookup,
             throw new IllegalArgumentException("Illegal invocation type " + invocationType);
         requireNonNull(labels);
 
-        labels = labels.clone();
         Stream.of(labels).forEach(l -> verifyLabel(l, selectorType));
 
         MethodHandle target = generateInnerClass(lookup, selectorType, labels);