fix CompressedClassPointersEncodingScheme yet again for linux aarch64

test/hotspot/jtreg/runtime/CompressedOops/CompressedClassPointersEncodingScheme.java

@@ -93,11 +93,9 @@ public static void main(String[] args) throws Exception {
         }
 
         // Test ccs starting *below* 4G, but extending upwards beyond 4G. All platforms except aarch64 should pick
-        // zero based encoding.
-        if (Platform.isAArch64()) {
-            long forceAddress = 0xC000_0000L; // make sure we have a valid EOR immediate
-            test(forceAddress, false, G + (128 * M), forceAddress, 0);
-        } else {
+        // zero based encoding. On aarch64, this test is excluded since the only valid mode would be XOR, but bit
+        // pattern for base and bit pattern would overlap.
+        if (!Platform.isAArch64()) {
             test(4 * G - 128 * M, false, 2 * 128 * M, 0, 3);
         }
         // add more...