[3.12] gh-105340: include hidden fast-locals in locals() (GH-105715) (#106470)

gh-105340: include hidden fast-locals in locals() (GH-105715)

* gh-105340: include hidden fast-locals in locals()
(cherry picked from commit 104d7b760fed18055e4f04e5da3ca619e28bfc81)

Co-authored-by: Carl Meyer <carl@oddbird.net>

1 files changed, 22 insertions, 0 deletions

diff --git a/Lib/test/test_listcomps.py b/Lib/test/test_listcomps.py
index c2cf058..9f28ced 100644
--- a/Lib/test/test_listcomps.py
+++ b/Lib/test/test_listcomps.py
@@ -539,6 +539,28 @@ class ListComprehensionTest(unittest.TestCase):
         self._check_in_scopes(code, {"x": True, "y": ["b"]}, scopes=["function"])
         self._check_in_scopes(code, raises=NameError, scopes=["class"])
 
+    def test_iter_var_available_in_locals(self):
+        code = """
+            l = [1, 2]
+            y = 0
+            items = [locals()["x"] for x in l]
+            items2 = [vars()["x"] for x in l]
+            items3 = [("x" in dir()) for x in l]
+            items4 = [eval("x") for x in l]
+            # x is available, and does not overwrite y
+            [exec("y = x") for x in l]
+        """
+        self._check_in_scopes(
+            code,
+            {
+                "items": [1, 2],
+                "items2": [1, 2],
+                "items3": [True, True],
+                "items4": [1, 2],
+                "y": 0
+            }
+        )
+
 
 __test__ = {'doctests' : doctests}