diff options
Diffstat (limited to 'libraries/ghc-compact/tests/compact_mutable.hs')
-rw-r--r-- | libraries/ghc-compact/tests/compact_mutable.hs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libraries/ghc-compact/tests/compact_mutable.hs b/libraries/ghc-compact/tests/compact_mutable.hs new file mode 100644 index 0000000000..33a405452d --- /dev/null +++ b/libraries/ghc-compact/tests/compact_mutable.hs @@ -0,0 +1,9 @@ +import Control.Concurrent +import Control.Exception +import GHC.Compact + +data HiddenMVar = HiddenMVar (MVar ()) + +main = do + m <- newEmptyMVar + compact (HiddenMVar m) |