diff --git a/mypy/typeops.py b/mypy/typeops.py
index 3035a15e2119..d18a04882b28 100644
--- a/mypy/typeops.py
+++ b/mypy/typeops.py
@@ -1145,6 +1145,8 @@ class Status(Enum):
         target_fullname is None or typ.type.fullname == target_fullname
     ):
         if typ.type.fullname == "builtins.bool":
+            if typ.last_known_value is not None:
+                return typ.last_known_value
             return UnionType([LiteralType(True, typ), LiteralType(False, typ)])
 
         if typ.type.is_enum:
diff --git a/test-data/unit/check-python310.test b/test-data/unit/check-python310.test
index 33b952f48f49..a896f87e1cd6 100644
--- a/test-data/unit/check-python310.test
+++ b/test-data/unit/check-python310.test
@@ -1979,6 +1979,32 @@ def b(value: bool) -> int:
         case False:
             return 3
 
+[case testMatchBoolLiteralSubjectExhaustive]
+# flags: --strict-equality --warn-unreachable
+def f() -> int:
+    match False:
+        case True:
+            return 1  # E: Statement is unreachable
+        case False:
+            return 0
+
+def g(c: bool) -> int:
+    match True if c else False:
+        case True:
+            return 1
+        case False:
+            return 0
+
+def h() -> int:
+    match False:
+        case True:
+            return 1  # E: Statement is unreachable
+        case False:
+            return 0
+        case other:
+            reveal_type(other)  # E: Statement is unreachable
+            return 2
+
 [case testMatchMiscNonExhaustiveReturn]
 # flags: --strict-equality --warn-unreachable
 class C: