fix dnu after special selector crash (fixes OaM DNU test #131)

hpi-swa · Dec 21, 2016 · 5e3965b · 5e3965b
1 parent 233e52d
commit 5e3965b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/rsqueakvm/interpreter_bytecodes.py b/rsqueakvm/interpreter_bytecodes.py
@@ -372,6 +372,7 @@ def _sendSpecialSelector(self, interp, receiver, special_selector, w_args=[]):
         w_method = s_class.lookup(w_special_selector)
         if w_method is None:
             w_method = s_class.lookup(space.w_doesNotUnderstand)
+            self.push(receiver) # need to put receiver back on stack
             if w_method is None:
                 s_class = receiver.class_shadow(self.space)
                 assert isinstance(s_class, ClassShadow)