[Truffle] Added missing guards.

jruby · Feb 6, 2015 · 1b11ec9 · 1b11ec9
1 parent f24ae99
commit 1b11ec9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/truffle/src/main/java/org/jruby/truffle/nodes/core/EncodingNodes.java b/truffle/src/main/java/org/jruby/truffle/nodes/core/EncodingNodes.java
@@ -229,7 +229,7 @@ public RubyNilClass defaultInternal(RubyNilClass encoding) {
             return encoding;
         }
 
-        @Specialization
+        @Specialization(guards = { "!isRubyEncoding", "!isRubyNilClass" })
         public RubyString defaultInternal(VirtualFrame frame, Object encoding) {
             notDesignedForCompilation();