gh-124871: fix 'visited' tracking in compiler's reachability analysis (#124952)

Lib/test/test_compile.py

@@ -479,6 +479,19 @@ class TestSpecifics(unittest.TestCase):
                     x = 2
                """), '<eval>', 'exec')
 
+    def test_try_except_in_while_with_chained_condition_compiles(self):
+        # see gh-124871
+        compile(textwrap.dedent("""
+            name_1, name_2, name_3 = 1, 2, 3
+            while name_3 <= name_2 > name_1:
+                try:
+                    raise
+                except:
+                    pass
+                finally:
+                    pass
+            """), '<eval>', 'exec')
+
     def test_compile_invalid_namedexpr(self):
         # gh-109351
         m = ast.Module(