--- a/hotspot/src/share/vm/c1/c1_Instruction.hpp	Mon Apr 15 09:42:46 2013 +0200
+++ b/hotspot/src/share/vm/c1/c1_Instruction.hpp	Mon Apr 15 17:17:11 2013 +0200
@@ -111,7 +111,9 @@
 class   RuntimeCall;
 class   MemBar;
 class   RangeCheckPredicate;
+#ifdef ASSERT
 class   Assert;
+#endif
 
 // A Value is a reference to the instruction creating the value
 typedef Instruction* Value;