Faster IC stubs by specializing them for Binary Smi operations

runtime/vm/il_printer.cc

Index: runtime/vm/il_printer.cc
===================================================================
--- runtime/vm/il_printer.cc	(revision 39456)
+++ runtime/vm/il_printer.cc	(working copy)
@@ -151,10 +151,7 @@
           Class::Handle(Isolate::Current()->class_table()->At(class_ids[k]));
       f->Print("%s", String::Handle(cls.Name()).ToCString());
     }
-    if (count > 0) {
-      f->Print(" #%" Pd, count);
-    }
-    f->Print(" <%p>", static_cast<void*>(target.raw()));
+    f->Print(" cnt:%" Pd " trgt:'%s'", count, target.ToQualifiedCString());
   }
   f->Print("]");
 }