GenericBeanDefinition's toString() takes parent definition into account

Issue: SPR-9671
(cherry picked from commit 0ef29b2)

Author: jhoeller

spring-beans/src/main/java/org/springframework/beans/factory/support/GenericBeanDefinition.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -87,7 +87,12 @@ public boolean equals(Object other) {
 
 	@Override
 	public String toString() {
-		return "Generic bean: " + super.toString();
+		StringBuilder sb = new StringBuilder("Generic bean");
+		if (this.parentName != null) {
+			sb.append(" with parent '").append(this.parentName).append("'");
+		}
+		sb.append(": ").append(super.toString());
+		return sb.toString();
 	}
 
 }