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| author | Richard Eisenberg <rae@richarde.dev> | 2019-05-03 22:04:19 -0400 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2019-05-08 15:47:33 -0400 |
| commit | 4c86187ccd49309c1d6b32d05b164822a803d3e2 (patch) | |
| tree | b7ade7c3ca4d9443f3064b12e92ac143511f032c | |
| parent | 9a3acac968d76370e12839db4b71bb0a43e35b2c (diff) | |
| download | haskell-4c86187ccd49309c1d6b32d05b164822a803d3e2.tar.gz | |
Regression test for #16627.
test: typecheck/should_fail/T16627
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/T16627.hs | 14 | ||||
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/T16627.stderr | 6 | ||||
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/all.T | 1 |
3 files changed, 21 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/T16627.hs b/testsuite/tests/typecheck/should_fail/T16627.hs new file mode 100644 index 0000000000..0aec91a0fe --- /dev/null +++ b/testsuite/tests/typecheck/should_fail/T16627.hs @@ -0,0 +1,14 @@ +{-# language TypeInType, ScopedTypeVariables #-} +module Silly where +import Type.Reflection (Typeable, typeRep, TypeRep) +import Type.Reflection.Unsafe (mkTrApp) +import GHC.Exts (TYPE, RuntimeRep (..)) +import Data.Kind (Type) + +mkTrFun :: forall (r1 :: RuntimeRep) (r2 :: RuntimeRep) + (a :: TYPE r1) (b :: TYPE r2). + TypeRep a -> TypeRep b -> TypeRep ((a -> b) :: Type) +mkTrFun a b = typeRep `mkTrApp` a `mkTrApp` b + +-- originally reported that there was no (Typeable LiftedRep) instance, +-- presumably to overeager RuntimeRep defaulting diff --git a/testsuite/tests/typecheck/should_fail/T16627.stderr b/testsuite/tests/typecheck/should_fail/T16627.stderr new file mode 100644 index 0000000000..108e99f44a --- /dev/null +++ b/testsuite/tests/typecheck/should_fail/T16627.stderr @@ -0,0 +1,6 @@ + +T16627.hs:11:15: error: + • No instance for (Typeable r1) arising from a use of ‘typeRep’ + • In the first argument of ‘mkTrApp’, namely ‘typeRep’ + In the first argument of ‘mkTrApp’, namely ‘typeRep `mkTrApp` a’ + In the expression: typeRep `mkTrApp` a `mkTrApp` b diff --git a/testsuite/tests/typecheck/should_fail/all.T b/testsuite/tests/typecheck/should_fail/all.T index fec3a3ae67..c51398f00b 100644 --- a/testsuite/tests/typecheck/should_fail/all.T +++ b/testsuite/tests/typecheck/should_fail/all.T @@ -514,3 +514,4 @@ test('T16255', normal, compile_fail, ['']) test('T16204c', normal, compile_fail, ['']) test('T16394', normal, compile_fail, ['']) test('T16414', normal, compile_fail, ['']) +test('T16627', normal, compile_fail, ['']) |