Commit 06d452de authored by Simon Peyton Jones's avatar Simon Peyton Jones
Browse files

Test Trac #5478

parent 3c4cbdf2
{-# LANGUAGE MagicHash #-}
module T5478 where
import GHC.Exts
data Foo = Foo0 ByteArray# deriving Show
Can't make a derived instance of `Show Foo':
Don't know how to derive `Show' for type `ByteArray#'
In the data type declaration for `Foo'
......@@ -33,4 +33,5 @@ test('T3833', normal, compile_fail, [''])
test('T3834', normal, compile_fail, [''])
test('T4528', normal, compile_fail, [''])
test('T5287', normal, compile_fail, [''])
test('T5478', normal, compile_fail, [''])
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