remove DUP_TOP_TWO

akaptur · akaptur · commit 601cea2ce057 · 2014-03-03T14:37:47.000-05:00
diff --git a/interpreter/byterun/pyvm2.py b/interpreter/byterun/pyvm2.py
@@ -264,10 +264,6 @@ def byte_POP_TOP(self):
     def byte_DUP_TOP(self):
         self.push(self.top())
 
-    def byte_DUP_TOP_TWO(self):
-        a, b = self.popn(2)
-        self.push(a, b, a, b)
-
     def byte_ROT_TWO(self):
         a, b = self.popn(2)
         self.push(b, a)
diff --git a/interpreter/tests/test_basic.py b/interpreter/tests/test_basic.py
@@ -187,23 +187,23 @@ def test_set_comprehension(self):
             assert x == {0, 1, 4, 9, 16}
             """)
 
-    def test_strange_sequence_ops(self):
-        # from stdlib: test/test_augassign.py
-        self.assert_ok("""\
-            x = [1,2]
-            x += [3,4]
-            x *= 2
+    # def test_strange_sequence_ops(self): # relies on DUP_TOP_TWO
+    #     # from stdlib: test/test_augassign.py
+    #     self.assert_ok("""\
+    #         x = [1,2]
+    #         x += [3,4]
+    #         x *= 2
 
-            assert x == [1, 2, 3, 4, 1, 2, 3, 4]
+    #         assert x == [1, 2, 3, 4, 1, 2, 3, 4]
 
-            x = [1, 2, 3]
-            y = x
-            x[1:2] *= 2
-            y[1:2] += [1]
+    #         x = [1, 2, 3]
+    #         y = x
+    #         x[1:2] *= 2
+    #         y[1:2] += [1]
 
-            assert x == [1, 2, 1, 2, 3]
-            assert x is y
-            """)
+    #         assert x == [1, 2, 1, 2, 3]
+    #         assert x is y
+    #         """)
 
     def test_unary_operators(self):
         self.assert_ok("""\
