Maciej Fijalkowski avatar Maciej Fijalkowski committed 4436184

fix, not sure how to write a test for it

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Files changed (1)

pypy/objspace/flow/flowcontext.py

         self.pushvalue(w_1)
 
     def DUP_TOPX(self, itemcount, next_instr):
-        self.dupvalues(itemcount)
+        delta = itemcount - 1
+        while True:
+            itemcount -= 1
+            if itemcount < 0:
+                break
+            w_value = self.peekvalue(delta)
+            self.pushvalue(w_value)
 
     for OPCODE, op in _unary_ops:
         locals()[OPCODE] = unaryoperation(OPCODE, op)
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