blob: 5a0c50f5c501382cabd049aa861b410aea3648aa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
{-# LANGUAGE ImplicitParams #-}
module T8474 where
data D = D Int deriving Show
-- In 7.7 this took exponential time!
slow_to_compile :: IO ()
slow_to_compile = do
tst1 <- return 1
let ?tst1 = tst1
{-
let ?tst2 = tst1
let ?tst3 = tst1
let ?tst4 = tst1
let ?tst5 = tst1
let ?tst6 = tst1
let ?tst7 = tst1
-}
print $ D ?tst1
|
