1 files changed, 11 insertions, 0 deletions
diff --git a/pyflakes/test/test_match.py b/pyflakes/test/test_match.py
index 89826e3..b237523 100644
--- a/pyflakes/test/test_match.py
+++ b/pyflakes/test/test_match.py
@@ -81,3 +81,14 @@ class TestMatch(TestCase):
                 case {'foo': k1, **rest}:
                     print(f'{k1=} {rest=}')
         ''')
+
+    def test_defined_in_different_branches(self):
+        self.flakes('''
+            def f(x):
+                match x:
+                    case 1:
+                        def y(): pass
+                    case _:
+                        def y(): print(1)
+                return y
+        ''')