poonam [Mon, 20 Feb 2012 21:27:56 -0800] rev 11882
7145358: SA throws ClassCastException for partially loaded ConstantPool
Summary: In printValueOn() in ConstantPool.java check if the poolHolder is a valid Klass and only then print it.
Reviewed-by: sla, sspitsyn
Contributed-by: Krystal Mok <sajia@taobao.com>