diff options
| -rw-r--r-- | testsuite/tests/typecheck/should_compile/T17186.hs | 17 | ||||
| -rw-r--r-- | testsuite/tests/typecheck/should_compile/all.T | 2 |
2 files changed, 18 insertions, 1 deletions
diff --git a/testsuite/tests/typecheck/should_compile/T17186.hs b/testsuite/tests/typecheck/should_compile/T17186.hs new file mode 100644 index 0000000000..c060f0b6f7 --- /dev/null +++ b/testsuite/tests/typecheck/should_compile/T17186.hs @@ -0,0 +1,17 @@ +{-# LANGUAGE DataKinds #-} +{-# LANGUAGE FlexibleContexts #-} +{-# LANGUAGE PolyKinds #-} +{-# LANGUAGE TypeFamilyDependencies #-} +{-# LANGUAGE TypeOperators, AllowAmbiguousTypes #-} + +module T17186 where + +-- This test is significantly abbreviated from what was posted; see +-- #16512 for more context. + +type family Dim v + +type family v `OfDim` (n :: Dim v) = r | r -> n + +(!*^) :: Dim m `OfDim` j -> Dim m `OfDim` i +(!*^) = undefined diff --git a/testsuite/tests/typecheck/should_compile/all.T b/testsuite/tests/typecheck/should_compile/all.T index d02c3ee2fa..263ff97ba1 100644 --- a/testsuite/tests/typecheck/should_compile/all.T +++ b/testsuite/tests/typecheck/should_compile/all.T @@ -728,4 +728,4 @@ test('T18831', normal, compile, ['']) test('T18920', normal, compile, ['']) test('T15942', normal, compile, ['']) test('ClassDefaultInHsBoot', [extra_files(['ClassDefaultInHsBootA1.hs','ClassDefaultInHsBootA2.hs','ClassDefaultInHsBootA2.hs-boot','ClassDefaultInHsBootA3.hs'])], multimod_compile, ['ClassDefaultInHsBoot', '-v0']) - +test('T17186', normal, compile, ['']) |