[Truffle] Allow nil.extend to work.

jruby · May 15, 2015 · 617ce76 · 617ce76
1 parent 5ed91b4
commit 617ce76
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/truffle/src/main/ruby/core/rubinius/common/kernel.rb b/truffle/src/main/ruby/core/rubinius/common/kernel.rb
@@ -172,7 +172,10 @@ def define_singleton_method(*args, &block)
 
   def extend(*modules)
     raise ArgumentError, "wrong number of arguments (0 for 1+)" if modules.empty?
-    Rubinius.check_frozen
+
+    # Disabled for JRuby+Truffle. The frozen check should be done in `object_extend`.
+    # Having the check here breaks nil.extend().
+    #Rubinius.check_frozen
 
     modules.reverse_each do |mod|
       Rubinius.privately do