MetaObject's static receiver exposes the static members of the represented type rather than static members of the metaobject itself.

Author: tzezula

sdk/src/org.graalvm.polyglot/src/org/graalvm/polyglot/Value.java

@@ -1025,7 +1025,10 @@ public boolean hasStaticReceiver() {
     /**
      * Returns the static receiver associated with this value. A static receiver is an object that
      * exposes static members, members whose values or behaviors are independent of any particular
-     * instance of this value.
+     * instance of this value. If this value is a {@link #isMetaObject() metaobject}, its static
+     * receiver is the same object that would be returned for an instance of the type represented by
+     * that metaobject, it exposes the static members of the represented type rather than static
+     * members of the metaobject itself.
      * <p>
      * The returned static receiver can be used to access static members using
      * {@link #getMember(String)}, {@link #getMemberKeys()}, or

truffle/src/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/InteropLibrary.java

@@ -983,7 +983,10 @@ public boolean hasStaticReceiver(Object receiver) {
     /**
      * Returns the static receiver associated with the given receiver. A static receiver is an
      * object that exposes static members, members whose values or behaviors are independent of any
-     * particular instance of the receiver.
+     * particular instance of the receiver. If the {@code receiver} is a
+     * {@link #isMetaObject(Object) metaobject}, its static receiver is the same object that would
+     * be returned for an instance of the type represented by that metaobject, it exposes the static
+     * members of the represented type rather than static members of the metaobject itself.
      * <p>
      * The static receiver typically serves as an artificial or meta-level object that provides
      * access to instance-independent members declared by the receiver's type or meta object. The

truffle/src/com.oracle.truffle.host/src/com/oracle/truffle/host/HostObject.java

@@ -3427,7 +3427,12 @@ Object getStaticReceiver(
             error.enter(node);
             throw UnsupportedMessageException.create();
         }
-        Class<?> clz = obj.getClass();
+        Class<?> clz;
+        if (isClass()) {
+            clz = (Class<?>) obj;
+        } else {
+            clz = obj.getClass();
+        }
         return HostObject.forStaticClass(clz, context);
     }