natClass.cc (finalize): Make sure that the class really has an engine.

2011-07-12  Andrew Haley  <aph@redhat.com>

	* java/lang/natClass.cc (finalize): Make sure that the class
	really has an engine.

From-SVN: r176199

libjava/ChangeLog

+2011-07-12  Andrew Haley  <aph@redhat.com>
+
+	* java/lang/natClass.cc (finalize): Make sure that the class
+	really has an engine.
+
 2011-07-07  Matthias Klose  <doko@ubuntu.com>
 
 	* libtool-version: Bump soversion.

libjava/java/lang/natClass.cc

@@ -668,7 +668,9 @@ java::lang::Class::newInstance (void)
 void
 java::lang::Class::finalize (void)
 {
-  engine->unregister(this);
+  // Array classes don't have an engine, and don't need to be finalized.
+   if (engine)
+     engine->unregister(this);
 }
 
 #ifdef INTERPRETER