Ensure that compile time types for comparisons are recomputed once comparison are specialized.

runtime/vm/il_printer.cc

Index: runtime/vm/il_printer.cc
diff --git a/runtime/vm/il_printer.cc b/runtime/vm/il_printer.cc
index 9fc644a273511d8e7d6ac141eaf8e688417d29f3..d4cafa333edf9e2a735a79f6c31b9f4bf907ce42 100644
--- a/runtime/vm/il_printer.cc
+++ b/runtime/vm/il_printer.cc
@@ -112,8 +112,7 @@ void CompileType::PrintTo(BufferFormatter* f) const {
   } else {
     f->Print("?, ");
   }
-  f->Print("%s}", (type_ != NULL) ? String::Handle(type_->Name()).ToCString()
-                                  : "?");
+  f->Print("%s}", (type_ != NULL) ? type_->ToCString() : "?");
 }