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| author | David Terei <code@davidterei.com> | 2014-08-04 17:43:09 -0400 |
|---|---|---|
| committer | David Terei <code@davidterei.com> | 2014-11-06 11:16:38 -0800 |
| commit | f4ead30b96aa8faaf4d23815cc32f7adfadd28df (patch) | |
| tree | 05a49146183f09d917b2d9b5560741003977e1f4 /testsuite/tests/safeHaskell/safeInfered/UnsafeInfered18.hs | |
| parent | c96a613c98d07fab4facc77bdd0701b7a17d332a (diff) | |
| download | haskell-f4ead30b96aa8faaf4d23815cc32f7adfadd28df.tar.gz | |
Warn for Safe Haskell when -XOverlappingInstances or
-XIncoherentInstances turned on.
Diffstat (limited to 'testsuite/tests/safeHaskell/safeInfered/UnsafeInfered18.hs')
| -rw-r--r-- | testsuite/tests/safeHaskell/safeInfered/UnsafeInfered18.hs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/testsuite/tests/safeHaskell/safeInfered/UnsafeInfered18.hs b/testsuite/tests/safeHaskell/safeInfered/UnsafeInfered18.hs new file mode 100644 index 0000000000..a6dbfe1745 --- /dev/null +++ b/testsuite/tests/safeHaskell/safeInfered/UnsafeInfered18.hs @@ -0,0 +1,11 @@ +{-# OPTIONS_GHC -fwarn-unsafe #-} +{-# LANGUAGE FlexibleInstances #-} +{-# LANGUAGE OverlappingInstances #-} +module UnsafeInfered18 where + +class C a where + f :: a -> String + +instance C a where + f _ = "a" + |