bpo-41218: Only mark async code with CO_COROUTINE. (#21357)
3.8.3 had a regression where compiling with
ast.PyCF_ALLOW_TOP_LEVEL_AWAIT woudl agressively mark things are
coroutine even if there were not.
diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py
index 40df7b6..3dcdf8d 100644
--- a/Lib/test/test_builtin.py
+++ b/Lib/test/test_builtin.py
@@ -371,6 +371,25 @@
rv = ns['f']()
self.assertEqual(rv, tuple(expected))
+ def test_compile_top_level_await_no_coro(self):
+ """Make sure top level non-await codes get the correct coroutine flags.
+ """
+ modes = ('single', 'exec')
+ code_samples = [
+ '''def f():pass\n''',
+ '''[x for x in l]'''
+ ]
+ for mode, code_sample in product(modes, code_samples):
+ source = dedent(code_sample)
+ co = compile(source,
+ '?',
+ mode,
+ flags=ast.PyCF_ALLOW_TOP_LEVEL_AWAIT)
+
+ self.assertNotEqual(co.co_flags & CO_COROUTINE, CO_COROUTINE,
+ msg=f"source={source} mode={mode}")
+
+
def test_compile_top_level_await(self):
"""Test whether code some top level await can be compiled.