diff --git a/src/hotspot/share/oops/compressedKlass.hpp b/src/hotspot/share/oops/compressedKlass.hpp
index f0615283f33..dd54c8130eb 100644
--- a/src/hotspot/share/oops/compressedKlass.hpp
+++ b/src/hotspot/share/oops/compressedKlass.hpp
@@ -258,9 +258,15 @@ class CompressedKlassPointers : public AllStatic {
         is_aligned(addr, klass_alignment_in_bytes());
   }
 
-  // Check that with the given base, shift and range, aarch64 an encode and decode the klass pointer.
-  static bool check_klass_decode_mode(address base, int shift, const size_t range) NOT_AARCH64({ return true;});
-  static bool set_klass_decode_mode() NOT_AARCH64({ return true;});  // can be called after initialization
+#if defined(AARCH64) && !defined(ZERO)
+  // Check that with the given base, shift and range, aarch64 code can encode and decode the klass pointer.
+  static bool check_klass_decode_mode(address base, int shift, const size_t range);
+  // Called after initialization.
+  static bool set_klass_decode_mode();
+#else
+  static bool check_klass_decode_mode(address base, int shift, const size_t range) { return true; }
+  static bool set_klass_decode_mode() { return true; }
+#endif
 };
 
 #endif // SHARE_OOPS_COMPRESSEDKLASS_HPP
diff --git a/src/java.base/share/classes/java/lang/classfile/CompoundElement.java b/src/java.base/share/classes/java/lang/classfile/CompoundElement.java
index 38d149623e1..d9f9fe1e5f9 100644
--- a/src/java.base/share/classes/java/lang/classfile/CompoundElement.java
+++ b/src/java.base/share/classes/java/lang/classfile/CompoundElement.java
@@ -34,6 +34,8 @@
 import java.util.stream.Stream;
 import java.util.stream.StreamSupport;
 
+import jdk.internal.classfile.components.ClassPrinter;
+
 /**
  * A {@link ClassFileElement} that has complex structure defined in terms of
  * other classfile elements, such as a method, field, method body, or entire
@@ -92,4 +94,14 @@ public void accept(E e) {
         return Collections.unmodifiableList(list);
     }
 
+    /**
+     * {@return a text representation of the compound element and its contents for debugging purposes}
+     *
+     * The format, structure and exact contents of the returned string are not specified and may change at any time in the future.
+     */
+    default String toDebugString() {
+        StringBuilder text = new StringBuilder();
+        ClassPrinter.toYaml(this, ClassPrinter.Verbosity.TRACE_ALL, text::append);
+        return text.toString();
+    }
 }
diff --git a/src/java.base/share/classes/java/util/ResourceBundle.java b/src/java.base/share/classes/java/util/ResourceBundle.java
index 989cc09f388..4206dda6a3a 100644
--- a/src/java.base/share/classes/java/util/ResourceBundle.java
+++ b/src/java.base/share/classes/java/util/ResourceBundle.java
@@ -3654,8 +3654,7 @@ private static String toPackageName(String bundleName) {
 
     }
 
-    private static final boolean TRACE_ON = Boolean.getBoolean(
-        System.getProperty("resource.bundle.debug", "false"));
+    private static final boolean TRACE_ON = Boolean.getBoolean("resource.bundle.debug");
 
     private static void trace(String format, Object... params) {
         if (TRACE_ON)
diff --git a/test/jdk/jdk/classfile/ClassPrinterTest.java b/test/jdk/jdk/classfile/ClassPrinterTest.java
index 5dc136f59c3..506f3382b83 100644
--- a/test/jdk/jdk/classfile/ClassPrinterTest.java
+++ b/test/jdk/jdk/classfile/ClassPrinterTest.java
@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug 8335927
+ * @bug 8335927 8345773
  * @summary Testing ClassFile ClassPrinter.
  * @run junit ClassPrinterTest
  */
@@ -122,8 +122,7 @@ ClassModel getClassModel() {
 
     @Test
     void testPrintYamlTraceAll() throws IOException {
-        var out = new StringBuilder();
-        ClassPrinter.toYaml(getClassModel(), ClassPrinter.Verbosity.TRACE_ALL, out::append);
+        var out = getClassModel().toDebugString();
         assertOut(out,
                 """
                   - class name: Foo
@@ -904,7 +903,7 @@ void testWalkMembersOnly() throws IOException {
         assertEquals(node.walk().count(), 42);
     }
 
-    private static void assertOut(StringBuilder out, String expected) {
+    private static void assertOut(CharSequence out, String expected) {
 //        System.out.println("-----------------");
 //        System.out.println(out.toString());
 //        System.out.println("-----------------");