diff --git a/test-data/unit/check-redefine2.test b/test-data/unit/check-redefine2.test
index 2af6959dd21a..86ac00f6fc4b 100644
--- a/test-data/unit/check-redefine2.test
+++ b/test-data/unit/check-redefine2.test
@@ -333,6 +333,19 @@ def f3() -> None:
         reveal_type(x) # N: Revealed type is "builtins.int | builtins.str"
     reveal_type(x) # N: Revealed type is "builtins.int | builtins.str"
 
+[case testNewRedefineAssignmentExpressionComprehensions]
+# flags: --allow-redefinition
+def f() -> None:
+    x = 0
+    xs = [x := "" for _ in [0]]
+    reveal_type(xs) # N: Revealed type is "builtins.list[builtins.str]"
+    reveal_type(x) # N: Revealed type is "builtins.int"
+
+    x = 1.0
+    reveal_type(x) # N: Revealed type is "builtins.float"
+
+[builtins fixtures/list.pyi]
+
 [case testNewRedefineOperatorAssignment]
 # flags: --allow-redefinition
 class D: pass