diff --git a/src/share/vm/opto/machnode.cpp b/src/share/vm/opto/machnode.cpp
--- a/src/share/vm/opto/machnode.cpp
+++ b/src/share/vm/opto/machnode.cpp
@@ -600,8 +600,8 @@
 void MachProjNode::dump_spec(outputStream *st) const {
   ProjNode::dump_spec(st);
   switch (_ideal_reg) {
- case unmatched_proj: st->print("/unmatched"); break;
- case fat_proj: st->print("/fat"); if (WizardMode) _rout.dump(); break;
+ case unmatched_proj: st->print("/unmatched"); break;
+ case fat_proj: st->print("/fat"); if (WizardMode) _rout.dump(st); break;
   }
 }
 #endif