src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.common/src/org/graalvm/compiler/core/common/Fields.java

@@ -324,11 +324,11 @@
         return sb.append(']').toString();
     }
 
     public void appendFields(StringBuilder sb) {
         for (int i = 0; i < offsets.length; i++) {
-            sb.append(i == 0 ? "" : ", ").append(getName(i)).append('@').append(offsets[i]);
+            sb.append(i == 0 ? "" : ", ").append(getDeclaringClass(i).getSimpleName()).append('.').append(getName(i)).append('@').append(offsets[i]);
         }
     }
 
     public boolean getBoolean(Object n, int i) {
         assert types[i] == boolean.class;