Merge branch 'main' into for-iter-spec

python · Yhg1s · Mar 12, 2025 · Jan 13, 2025 · Jan 13, 2025 · Jan 13, 2025
commit 5c16a5ee857480d9a3ab92e617401973b407597b
diff --git a/Lib/test/test_opcache.py b/Lib/test/test_opcache.py
@@ -1787,6 +1787,21 @@ def compare_op_str():
         self.assert_specialized(compare_op_str, "COMPARE_OP_STR")
         self.assert_no_opcode(compare_op_str, "COMPARE_OP")
 
+    @cpython_only
+    @requires_specialization_ft
+    def test_load_const(self):
+        def load_const():
+            def unused(): pass
+            # Currently, the empty tuple is immortal, and the otherwise
+            # unused nested function's code object is mortal. This test will
+            # have to use different values if either of that changes.
+            return ()
+
+        load_const()
+        self.assert_specialized(load_const, "LOAD_CONST_IMMORTAL")
+        self.assert_specialized(load_const, "LOAD_CONST_MORTAL")
+        self.assert_no_opcode(load_const, "LOAD_CONST")
+
     @cpython_only
     @requires_specialization_ft
     def test_for_iter(self):