--- a/hotspot/src/share/vm/opto/chaitin.cpp	Mon Sep 28 15:05:02 2015 +0200
+++ b/hotspot/src/share/vm/opto/chaitin.cpp	Tue Sep 29 11:02:08 2015 +0200
@@ -1733,7 +1733,7 @@
 
   // Check for AddP-related opcodes
   if (!derived->is_Phi()) {
-    assert(derived->as_Mach()->ideal_Opcode() == Op_AddP, err_msg_res("but is: %s", derived->Name()));
+    assert(derived->as_Mach()->ideal_Opcode() == Op_AddP, "but is: %s", derived->Name());
     Node *base = derived->in(AddPNode::Base);
     derived_base_map[derived->_idx] = base;
     return base;