From e71f781140df4265208d13d415822e8969bfc20e Mon Sep 17 00:00:00 2001
From: William S Fulton <wsf@fultondesigns.co.uk>
Date: Wed, 7 Oct 2020 22:06:47 +0100
Subject: [PATCH] Apply suggestions from code review

Print errors to stderr instead of stdout
---
 Source/Modules/javascript.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Source/Modules/javascript.cxx b/Source/Modules/javascript.cxx
index 31576bd93..98f6d801f 100644
--- a/Source/Modules/javascript.cxx
+++ b/Source/Modules/javascript.cxx
@@ -1575,7 +1575,7 @@ void JSCEmitter::marshalInputArgs(Node *n, ParmList *parms, Wrapper *wrapper, Ma
       Printf(arg, "argv[%d]", i);
       break;
     default:
-      Printf(stdout, "Illegal state.");
+      Printf(stderr, "Illegal MarshallingMode.");
       SWIG_exit(EXIT_FAILURE);
     }
     tm = emitInputTypemap(n, p, wrapper, arg);
@@ -2213,7 +2213,7 @@ void V8Emitter::marshalInputArgs(Node *n, ParmList *parms, Wrapper *wrapper, Mar
       Printf(arg, "args[%d]", i);
       break;
     default:
-      Printf(stdout, "Illegal state.");
+      Printf(stderr, "Illegal MarshallingMode.");
       SWIG_exit(EXIT_FAILURE);
     }