From fc6db9880fa7486b05933d9af3d418ee223d5ac4 Mon Sep 17 00:00:00 2001
From: usev6 <use_v6@aglaz.de>
Date: Sun, 28 Jun 2015 18:26:04 +0200
Subject: [PATCH] Avoid NullPointerException on JVM

in S06-signature/introspection.t
---
 src/core/Signature.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/Signature.pm b/src/core/Signature.pm
index 2bbd7b3c20d..97986b03209 100644
--- a/src/core/Signature.pm
+++ b/src/core/Signature.pm
@@ -116,7 +116,7 @@ my class Signature { # declared in BOOTSTRAP
     }
 
     method !deftype(Signature:D:) {
-         $!code ~~ Routine ?? Any !! Mu
+         !nqp::isnull($!code) && $!code ~~ Routine ?? Any !! Mu
     }
 
     multi method perl(Signature:D:) {