Update tests for changes to inference

The changes didn't alter the behavior of the typechecker, only the
warning/error output, and the order of some variables when generalizing.

tests/issues/issue150.icry.stdout

@@ -1,4 +1,4 @@
 Loading module Cryptol
 Loading module Cryptol
 Loading module Main
-maxSeq' : {a, b} (fin b) => [a][b] -> [1 + a][b]
+maxSeq' : {a, b} (fin a) => [b][a] -> [1 + b][a]

tests/issues/issue198.icry.stdout

@@ -4,16 +4,16 @@ Loading module Main
 [warning] at simon.cry2:83:1--92:15:
   Defaulting type parameter 'bits'
              of literal or demoted expression
-             at simon.cry2:87:28--87:30
-  to max (width a`431) 3
+             at simon.cry2:87:34--87:35
+  to max (width a`450) 3
 [warning] at simon.cry2:83:1--92:15:
-  Defaulting 3rd type parameter
-             of expression (@)
-             at simon.cry2:90:27--90:28
-  to width a`433
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at simon.cry2:90:29--90:31
+  to width a`452
 [warning] at simon.cry2:83:1--92:15:
-  Defaulting 3rd type parameter
-             of expression (@)
-             at simon.cry2:89:29--89:30
-  to max (width (a`432 - 1)) (max (width a`431) 6)
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at simon.cry2:89:36--89:38
+  to max (width (a`451 - 1)) (max (width a`450) 6)
 True

tests/mono-binds/test01.icry.stdout

@@ -4,16 +4,16 @@ Loading module test01
 module test01
 import Cryptol
 /* Not recursive */
-test01::a : {a, b} (fin b) => [b]a -> [2 * b]a
-test01::a = \{a, b} (fin b) ->
-            (\ (x : [b]a) ->
-             f b x
+test01::a : {a, b} (fin a) => [a]b -> [2 * a]b
+test01::a = \{a, b} (fin a) ->
+            (\ (x : [a]b) ->
+             f a x
              where
                /* Not recursive */
-               f : {c} [c]a -> [b + c]a
-               f = \{c} (y : [c]a) -> (#) b c a <> x y
+               f : {c} [c]b -> [a + c]b
+               f = \{c} (y : [c]b) -> (#) a c b <> x y
                
-             ) : [b]a -> [2 * b]a
+             ) : [a]b -> [2 * a]b
 
 Loading module Cryptol
 Loading module test01

tests/mono-binds/test02.icry.stdout

@@ -21,15 +21,15 @@ Loading module test02
 module test02
 import Cryptol
 /* Not recursive */
-test02::test : {a, b} a -> b
-test02::test = \{a, b} (a : a) ->
+test02::test : {a, b} b -> a
+test02::test = \{a, b} (a : b) ->
                f a
                where
                  /* Recursive */
-                 f : a -> b
-                 f = \ (x : a) -> g a
-                 g : a -> b
-                 g = \ (x : a) -> f x
+                 f : b -> a
+                 f = \ (x : b) -> g a
+                 g : b -> a
+                 g = \ (x : b) -> f x
                  
                
 

tests/mono-binds/test04.icry.stdout

@@ -22,11 +22,11 @@ Loading module test04
              at test04.cry:3:19--3:21
   to 4
 
-[error] at test04.cry:3:17--3:21:
+[error] at test04.cry:3:19--3:21:
   Type mismatch:
-    Expected type: [?b3]
-    Inferred type: ()
+    Expected type: ()
+    Inferred type: [?k3]
   where
-  ?b3 is type parameter 'bits'
+  ?k3 is type parameter 'bits'
          of literal or demoted expression
          at test04.cry:3:19--3:21

tests/regression/AES.icry.stdout

@@ -2,29 +2,29 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module AES
 [warning] at AES.cry:147:1--150:39:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at AES.cry:147:33--147:35
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at AES.cry:147:36--147:51
   to 4
 [warning] at AES.cry:147:1--150:39:
-  Defaulting 3rd type parameter
-             of expression (@)
-             at AES.cry:147:58--147:59
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at AES.cry:147:60--147:63
   to 4
 [warning] at AES.cry:124:1--124:9:
   Defaulting type parameter 'bits'
              of literal or demoted expression
-             at AES.cry:127:26--127:29
+             at AES.cry:127:32--127:33
   to 3
 [warning] at AES.cry:91:1--93:23:
-  Defaulting 2nd type parameter
-             of expression (>>>)
-             at AES.cry:91:28--91:31
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at AES.cry:92:61--92:69
   to 2
 [warning] at AES.cry:86:1--88:20:
-  Defaulting 2nd type parameter
-             of expression (<<<)
-             at AES.cry:86:25--86:28
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at AES.cry:87:58--87:66
   to 2
 True
 True

tests/regression/check01.icry.stdout

@@ -2,9 +2,9 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at check01.cry:2:1--2:27:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at check01.cry:2:17--2:19
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at check01.cry:2:24--2:26
   to 5
 [0x00000007, 0x00000014]
 True

tests/regression/check02.icry.stdout

@@ -2,14 +2,14 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at :1:1--3:25:
-  Defaulting 1st type parameter
-             of expression Main::ones
-             at check02.cry:3:10--3:14
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at check02.cry:3:24--3:25
   to 1
 [warning] at <interactive>:1:1--1:18:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at <interactive>:1:6--1:8
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at <interactive>:1:9--1:18
   to 4
 Assuming a = 1
 [0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1]

tests/regression/check03.icry.stdout

@@ -2,17 +2,17 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at <interactive>:1:1--1:22:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at <interactive>:1:8--1:10
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at <interactive>:1:11--1:22
   to 4
 [0x00000000, 0x00000001, 0x00000002, 0x00000003, 0x00000004,
  0x00000005, 0x00000006, 0x00000007, 0x00000008, 0x00000009,
  0x0000000a]
 [warning] at <interactive>:1:1--1:23:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at <interactive>:1:9--1:11
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at <interactive>:1:12--1:23
   to 4
 [0x0000000b, 0x0000000c, 0x0000000d, 0x0000000e, 0x0000000f,
  0x00000010, 0x00000011, 0x00000012, 0x00000013, 0x00000014,

tests/regression/check04.icry.stdout

@@ -2,19 +2,19 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at :1:1--4:45:
-  Defaulting 1st type parameter
-             of expression Main::onetwos
-             at check04.cry:4:10--4:17
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check04.cry:4:21--4:29
   to 2
 [warning] at :1:1--4:45:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at check04.cry:4:18--4:20
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at check04.cry:4:43--4:44
   to 2
 [warning] at <interactive>:1:1--1:21:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at <interactive>:1:9--1:11
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at <interactive>:1:12--1:21
   to 4
 Assuming a = 2
 [0x1, 0x2, 0x1, 0x2, 0x1, 0x2, 0x1, 0x2, 0x1, 0x2, 0x1]

tests/regression/check05.icry.stdout

@@ -2,19 +2,19 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at :1:1--4:45:
-  Defaulting 1st type parameter
-             of expression Main::twoones
-             at check05.cry:4:10--4:17
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check05.cry:4:21--4:29
   to 2
 [warning] at :1:1--4:45:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at check05.cry:4:18--4:20
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at check05.cry:4:43--4:44
   to 2
 [warning] at <interactive>:1:1--1:21:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at <interactive>:1:9--1:11
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at <interactive>:1:12--1:21
   to 4
 Assuming a = 2
 [0x2, 0x1, 0x2, 0x1, 0x2, 0x1, 0x2, 0x1, 0x2, 0x1, 0x2]

tests/regression/check06.icry.stdout

@@ -2,19 +2,19 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at :1:1--5:70:
-  Defaulting 1st type parameter
-             of expression Main::onesytwosy
-             at check06.cry:5:10--5:20
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check06.cry:5:24--5:32
   to 2
 [warning] at :1:1--5:70:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at check06.cry:5:21--5:23
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at check06.cry:5:66--5:67
   to 2
 [warning] at <interactive>:1:1--1:24:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at <interactive>:1:12--1:14
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at <interactive>:1:15--1:24
   to 4
 Assuming a = 2
 [[0x1, 0x2], [0x2, 0x1], [0x1, 0x2], [0x2, 0x1], [0x1, 0x2],

tests/regression/check07.icry.stdout

@@ -2,44 +2,44 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at :1:1--14:39:
-  Defaulting 1st type parameter
-             of expression (<<)
-             at check07.cry:13:13--13:15
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at check07.cry:13:21--13:22
   to 1
 [warning] at :1:1--14:39:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at check07.cry:11:36--11:38
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check07.cry:11:39--11:51
   to 4
 [warning] at check07.cry:7:1--7:56:
-  Defaulting 2nd type parameter
-             of expression (<<)
-             at check07.cry:7:31--7:33
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check07.cry:7:43--7:54
   to 6
 [warning] at :1:1--14:39:
-  Defaulting 2nd type parameter
-             of expression (>>)
-             at check07.cry:5:25--5:27
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check07.cry:5:37--5:49
   to 7
 [warning] at :1:1--14:39:
-  Defaulting 2nd type parameter
-             of expression (>>)
-             at check07.cry:4:25--4:27
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check07.cry:4:37--4:48
   to 6
 [warning] at :1:1--14:39:
-  Defaulting 2nd type parameter
-             of expression (<<)
-             at check07.cry:3:25--3:27
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check07.cry:3:37--3:65
   to 32
 [warning] at :1:1--14:39:
-  Defaulting 2nd type parameter
-             of expression (<<)
-             at check07.cry:2:25--2:27
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check07.cry:2:37--2:49
   to 7
 [warning] at :1:1--14:39:
-  Defaulting 2nd type parameter
-             of expression (<<)
-             at check07.cry:1:25--1:27
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check07.cry:1:37--1:48
   to 6
 [0b00010010001101000101011001111000,
  0b00100100011010001010110011110000,

tests/regression/check08.icry.stdout

@@ -2,19 +2,19 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at :1:1--7:45:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at check08.cry:9:22--9:24
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check08.cry:9:25--9:33
   to 3
 [warning] at :1:1--7:45:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at check08.cry:7:13--7:15
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check08.cry:7:16--7:24
   to 3
 [warning] at <interactive>:1:1--1:15:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at <interactive>:1:4--1:6
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at <interactive>:1:7--1:15
   to 3
 [0x00000001, 0x00000002, 0x00000005, 0x0000000c, 0x0000001b]
 True

tests/regression/check09.icry.stdout

@@ -14,30 +14,30 @@ Loading module Main
     This binding for ss shadows the existing binding from
     (at check09.cry:5:1--5:3, Main::ss)
 [warning] at check09.cry:17:1--30:54:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at check09.cry:17:15--17:17
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check09.cry:17:18--17:28
   to 3
 [warning] at :1:1--37:28:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at check09.cry:14:15--14:17
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check09.cry:13:18--13:26
   to 2
 [warning] at :1:1--37:28:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at check09.cry:13:15--13:17
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check09.cry:14:18--14:26
   to 2
 [warning] at <interactive>:1:1--1:15:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at <interactive>:1:4--1:6
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at <interactive>:1:7--1:15
   to 2
 [0x00000008, 0x00004080, 0x00068c00, 0x00a22800]
 [warning] at <interactive>:1:1--1:15:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at <interactive>:1:4--1:6
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at <interactive>:1:7--1:15
   to 2
 [0x00000800, 0x00005080, 0x00072d00, 0x00b08200]
 [0x00000008, 0x131b638b, 0x4fdd24a2, 0xb9094711, 0xa9cc106f,

tests/regression/check11.icry.stdout

@@ -7,8 +7,8 @@ Loading module Main
              at check11.cry:3:10--3:19
   to 7
 [warning] at :1:1--5:25:
-  Defaulting 4th type parameter
-             of expression (@@)
-             at check11.cry:5:13--5:15
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check11.cry:5:16--5:25
   to 7
 True

tests/regression/check14.icry.stdout

@@ -4,7 +4,7 @@ Loading module Main
 [warning] at :1:1--5:76:
   Defaulting type parameter 'bits'
              of literal or demoted expression
-             at check14.cry:5:41--5:42
+             at check14.cry:5:73--5:74
   to 3
 Assuming a = 3
 [[0x3, 0x2, 0x1, 0x0], [0x7, 0x6, 0x5, 0x4]]

tests/regression/check16-tab.icry.stdout

@@ -2,8 +2,8 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at :1:1--4:17:
-  Defaulting 1st type parameter
-             of expression Cryptol::width
-             at check16-tab.cry:1:11--1:16
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at check16-tab.cry:1:22--1:23
   to 4
 True

tests/regression/check16.icry.stdout

@@ -2,8 +2,8 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at :1:1--4:13:
-  Defaulting 1st type parameter
-             of expression Cryptol::width
-             at check16.cry:1:11--1:16
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at check16.cry:1:22--1:23
   to 4
 True

tests/regression/check20.icry.stdout

@@ -4,6 +4,6 @@ Loading module Main
 [warning] at :1:1--3:39:
   Defaulting type parameter 'bits'
              of literal or demoted expression
-             at check20.cry:1:30--1:31
+             at check20.cry:3:31--3:33
   to 4
 True

tests/regression/check21.icry.stdout

@@ -2,8 +2,8 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at :1:1--7:63:
-  Defaulting 3rd type parameter
-             of expression (!)
-             at check21.cry:4:18--4:19
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at check21.cry:4:31--4:32
   to 4
 True

tests/regression/check22.icry.stdout

@@ -2,8 +2,8 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at :1:1--12:70:
-  Defaulting 3rd type parameter
-             of expression (!)
-             at check22.cry:3:18--3:19
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at check22.cry:3:31--3:32
   to 4
 True

tests/regression/check24.icry.stdout

@@ -2,8 +2,8 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at :1:1--4:82:
-  Defaulting 1st type parameter
-             of expression Main::xor
-             at check24.cry:4:13--4:16
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check24.cry:4:60--4:71
   to 4
 True

tests/regression/check25.icry.stdout

@@ -5,9 +5,9 @@ Loading module check25
     This binding for tz shadows the existing binding from
     (at check25.cry:3:1--3:3, check25::tz)
 [warning] at check25.cry:1:1--8:19:
-  Defaulting 1st type parameter
-             of expression check25::tx
-             at check25.cry:8:11--8:13
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at check25.cry:8:17--8:19
   to 4
 [warning] at check25.cry:1:1--8:19:
   Defaulting type parameter 'bits'

tests/regression/check26.icry.stdout

@@ -2,59 +2,34 @@ Loading module Cryptol
 Loading module Cryptol
 Loading module Main
 [warning] at :1:1--13:43:
-  Defaulting 1st type parameter
+  Defaulting 2nd type parameter
              of expression Main::xys
              at check26.cry:11:42--11:45
   to 4
+[warning] at :1:1--13:43:
+  Defaulting 2nd type parameter
+             of expression Main::xys
+             at check26.cry:8:31--8:34
+  to 3
+[warning] at :1:1--13:43:
+  Defaulting type parameter 'bits'
+             of finite enumeration
+             at check26.cry:9:23--9:34
+  to 4
 [warning] at :1:1--13:43:
   Defaulting type parameter 'bits'
              of finite enumeration
              at check26.cry:9:41--9:51
   to 3
-[warning] at :1:1--13:43:
-  Defaulting 1st type parameter
-             of expression Main::xys
-             at check26.cry:8:31--8:34
-  to 4
-[warning] at :1:1--13:43:
-  Defaulting 2nd type parameter
-             of expression Main::xys
-             at check26.cry:8:31--8:34
-  to 3
 [warning] at :1:1--13:43:
   Defaulting 1st type parameter
              of expression Main::xy
-             at check26.cry:5:35--5:37
+             at check26.cry:4:17--4:19
   to 4
 [warning] at :1:1--13:43:
   Defaulting 2nd type parameter
              of expression Main::xy
-             at check26.cry:5:35--5:37
-  to 5
-[warning] at :1:1--13:43:
-  Defaulting 1st type parameter
-             of expression Main::xy
-             at check26.cry:5:17--5:19
-  to 4
-[warning] at :1:1--13:43:
-  Defaulting 2nd type parameter
-             of expression Main::xy
-             at check26.cry:5:17--5:19
-  to 5
-[warning] at :1:1--13:43:
-  Defaulting 1st type parameter
-             of expression Main::xy
-             at check26.cry:4:43--4:45
-  to 4
-[warning] at :1:1--13:43:
-  Defaulting 1st type parameter
-             of expression Main::xy
-             at check26.cry:4:37--4:39
-  to 4
-[warning] at :1:1--13:43:
-  Defaulting 2nd type parameter
-             of expression Main::xy
-             at check26.cry:4:37--4:39
+             at check26.cry:4:17--4:19
   to 5
 [warning] at :1:1--13:43:
   Defaulting 2nd type parameter
@@ -64,11 +39,36 @@ Loading module Main
 [warning] at :1:1--13:43:
   Defaulting 1st type parameter
              of expression Main::xy
-             at check26.cry:4:17--4:19
+             at check26.cry:4:37--4:39
   to 4
 [warning] at :1:1--13:43:
   Defaulting 2nd type parameter
              of expression Main::xy
-             at check26.cry:4:17--4:19
+             at check26.cry:4:37--4:39
+  to 5
+[warning] at :1:1--13:43:
+  Defaulting 1st type parameter
+             of expression Main::xy
+             at check26.cry:4:43--4:45
+  to 4
+[warning] at :1:1--13:43:
+  Defaulting 2nd type parameter
+             of expression Main::xy
+             at check26.cry:5:17--5:19
+  to 5
+[warning] at :1:1--13:43:
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at check26.cry:5:23--5:25
+  to 4
+[warning] at :1:1--13:43:
+  Defaulting 1st type parameter
+             of expression Main::xy
+             at check26.cry:5:35--5:37
+  to 4
+[warning] at :1:1--13:43:
+  Defaulting type parameter 'bits'
+             of literal or demoted expression
+             at check26.cry:5:41--5:43
   to 5
 True

tests/regression/r01.icry.stdout

@@ -3,25 +3,25 @@ Loading module Cryptol
 Loading module Main
 [warning] at <interactive>:1:1--1:42:
   Defaulting type parameter 'bits'
-             of literal or demoted expression
-             at <interactive>:1:40--1:42
+             of finite enumeration
+             at <interactive>:1:11--1:19
   to 4
 True
 [warning] at <interactive>:1:1--1:43:
   Defaulting type parameter 'bits'
-             of literal or demoted expression
-             at <interactive>:1:41--1:43
+             of finite enumeration
+             at <interactive>:1:11--1:20
   to 4
 False
 [warning] at <interactive>:1:1--1:48:
   Defaulting type parameter 'bits'
-             of literal or demoted expression
-             at <interactive>:1:46--1:48
+             of finite enumeration
+             at <interactive>:1:11--1:25
   to 7
 False
 [warning] at <interactive>:1:1--1:47:
   Defaulting type parameter 'bits'
-             of literal or demoted expression
-             at <interactive>:1:45--1:47
+             of finite enumeration
+             at <interactive>:1:11--1:24
   to 7
 True

tests/regression/r02.icry.stdout

@@ -3,7 +3,7 @@ Assuming a = 4
 [0xb, 0xb, 0xb, 0xb, 0xb, 0xb, 0xb, 0xb, 0xb, 0xb]
 [warning] at <interactive>:1:1--1:68:
   Defaulting type parameter 'bits'
-             of finite enumeration
-             at <interactive>:1:1--1:10
+             of literal or demoted expression
+             at <interactive>:1:65--1:67
   to 4
 True