WIP: failing test

Lib/test/test_listcomps.py

@@ -114,6 +114,7 @@ def get_output(moddict, name):
                         def _f():
                             {code}
                             return locals()
+                        import dis; dis.dis(_f)  # TODO
                         _out = _f()
                     """).format(code=textwrap.indent(code, "    "))
                     def get_output(moddict, name):
@@ -750,6 +751,18 @@ def iter_raises():
                 self.assertEqual(f.line[f.colno - indent : f.end_colno - indent],
                                  expected)
 
+    def test_freevar_through_scope_containing_comprehension(self):
+        code = """
+            x = 1
+            def f():
+                [x for x in [1]]
+                def g():
+                    return x
+                return g()
+            y = f()
+        """
+        self._check_in_scopes(code, {"x": 1, "y": 1}, scopes=["function"])
+
 __test__ = {'doctests' : doctests}
 
 def load_tests(loader, tests, pattern):

Python/symtable.c

@@ -1220,7 +1220,7 @@ analyze_block(PySTEntryObject *ste, PyObject *bound, PyObject *free,
 
         // we inline all non-generator-expression comprehensions,
         // except those in annotation scopes that are nested in classes
-        int inline_comp =
+        int inline_comp = true &&
             entry->ste_comprehension &&
             !entry->ste_generator &&
             !ste->ste_can_see_class_scope;