[Truffle] Fix Exception#to_s

jruby · May 28, 2015 · 454db3a · 454db3a
1 parent 6ab4b4a
commit 454db3a
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/truffle/src/main/ruby/core/shims.rb b/truffle/src/main/ruby/core/shims.rb
@@ -227,7 +227,11 @@ def locations
   end
 
   def to_s
-    message.to_s
+    if message.nil?
+      self.class.to_s
+    else
+      message.to_s
+    end
   end
 
 end