From a790fe7ce43d0c7070132c4f3fce73c6f9a6c8d4 Mon Sep 17 00:00:00 2001
From: stefank <unknown>
Date: Tue, 9 Oct 2012 22:12:25 +0200
Subject: [PATCH] 8000659: NPG: ClassCastExceptions are unexpectedly thrown
 when testing nashorn Summary: Treat the oops in invoke_method_table() as
 strong roots when ClassUnloading is enabled. Reviewed-by: kamg, coleenp

---
 src/share/vm/classfile/systemDictionary.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/share/vm/classfile/systemDictionary.cpp b/src/share/vm/classfile/systemDictionary.cpp
index 081007c4e..5c0d99258 100644
--- a/src/share/vm/classfile/systemDictionary.cpp
+++ b/src/share/vm/classfile/systemDictionary.cpp
@@ -1749,6 +1749,9 @@ void SystemDictionary::always_strong_oops_do(OopClosure* blk) {
   blk->do_oop(&_system_loader_lock_obj);
 
   dictionary()->always_strong_oops_do(blk);
+
+  // Visit extra methods
+  invoke_method_table()->oops_do(blk);
 }
 
 void SystemDictionary::always_strong_classes_do(KlassClosure* closure) {
-- 
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