Keep a canonical list of shared function infos.

src/objects-printer.cc

Index: src/objects-printer.cc
diff --git a/src/objects-printer.cc b/src/objects-printer.cc
index fb6b1b80e2f9993ae021c75b5f4d55f87490a35c..fb6643a2129e9619f9adf23e3ce7f4d535883b8f 100644
--- a/src/objects-printer.cc
+++ b/src/objects-printer.cc
@@ -982,6 +982,7 @@ void Script::ScriptPrint(std::ostream& os) {  // NOLINT
   os << "\n - eval from shared: " << Brief(eval_from_shared());
   os << "\n - eval from instructions offset: "
      << Brief(eval_from_instructions_offset());
+  os << "\n - shared function infos: " << Brief(shared_function_infos());
   os << "\n";
 }