Remove tests for async gen syntax restrictions.

Author: ZeroIntensity

Lib/test/test_asyncgen.py

@@ -82,55 +82,6 @@ async def anext_impl():
     return anext_impl()
 
 
-class AsyncGenSyntaxTest(unittest.TestCase):
-
-    def test_async_gen_syntax_01(self):
-        code = '''async def foo():
-            await abc
-            yield from 123
-        '''
-
-        with self.assertRaisesRegex(SyntaxError, 'yield from.*inside async'):
-            exec(code, {}, {})
-
-    def test_async_gen_syntax_02(self):
-        code = '''async def foo():
-            yield from 123
-        '''
-
-        with self.assertRaisesRegex(SyntaxError, 'yield from.*inside async'):
-            exec(code, {}, {})
-
-    def test_async_gen_syntax_03(self):
-        code = '''async def foo():
-            await abc
-            yield
-            return 123
-        '''
-
-        with self.assertRaisesRegex(SyntaxError, 'return.*value.*async gen'):
-            exec(code, {}, {})
-
-    def test_async_gen_syntax_04(self):
-        code = '''async def foo():
-            yield
-            return 123
-        '''
-
-        with self.assertRaisesRegex(SyntaxError, 'return.*value.*async gen'):
-            exec(code, {}, {})
-
-    def test_async_gen_syntax_05(self):
-        code = '''async def foo():
-            if 0:
-                yield
-            return 12
-        '''
-
-        with self.assertRaisesRegex(SyntaxError, 'return.*value.*async gen'):
-            exec(code, {}, {})
-
-
 class AsyncGenTest(unittest.TestCase):
 
     def compare_generators(self, sync_gen, async_gen):

Modules/_testinternalcapi/test_cases.c.h

@@ -1587,10 +1587,10 @@ dummy_func(
             PyObject *exc_value = PyStackRef_AsPyObjectSteal(exc_value_st);
             assert(exc_value != NULL);
             assert(PyExceptionInstance_Check(exc_value));
-            INPUTS_DEAD();
 
             int matches = PyErr_GivenExceptionMatches(exc_value, PyExc_StopAsyncIteration);
             if (matches) {
+                DECREF_INPUTS();
                 value = PyStackRef_FromPyObjectNew(((PyStopAsyncIterationObject *)exc_value)->value);
             }
             else {