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Fix a memory leak found by mpickering #1305

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Jun 21, 2019
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3 changes: 2 additions & 1 deletion hie-plugin-api/Haskell/Ide/Engine/PluginsIdeMonads.hs
Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
{-# LANGUAGE BangPatterns #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DeriveFunctor #-}
{-# LANGUAGE DeriveAnyClass #-}
Expand Down Expand Up @@ -499,7 +500,7 @@ instance HasGhcModuleCache IdeM where
tvar <- lift ask
state <- liftIO $ readTVarIO tvar
return (moduleCache state)
setModuleCache mc = do
setModuleCache !mc = do
tvar <- lift ask
liftIO $ atomically $ modifyTVar' tvar (\st -> st { moduleCache = mc })

Expand Down