diff -r ba6dabf5c7d9 -r 59b08808cb9c hotspot/src/share/vm/opto/callnode.cpp
--- a/hotspot/src/share/vm/opto/callnode.cpp	Wed Aug 06 21:21:25 2014 +0400
+++ b/hotspot/src/share/vm/opto/callnode.cpp	Sat Aug 02 07:06:08 2014 +0200
@@ -778,7 +778,7 @@
 }
 
 // Returns the unique CheckCastPP of a call
-// or 'this' if there are several CheckCastPP
+// or 'this' if there are several CheckCastPP or unexpected uses
 // or returns NULL if there is no one.
 Node *CallNode::result_cast() {
   Node *cast = NULL;
@@ -794,6 +794,13 @@
         return this;  // more than 1 CheckCastPP
       }
       cast = use;
+    } else if (!use->is_Initialize() &&
+               !use->is_AddP()) {
+      // Expected uses are restricted to a CheckCastPP, an Initialize
+      // node, and AddP nodes. If we encounter any other use (a Phi
+      // node can be seen in rare cases) return this to prevent
+      // incorrect optimizations.
+      return this;
     }
   }
   return cast;