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| author | Edward Z. Yang <ezyang@cs.stanford.edu> | 2015-01-27 16:20:54 -0800 |
|---|---|---|
| committer | Edward Z. Yang <ezyang@cs.stanford.edu> | 2015-01-28 13:54:58 -0800 |
| commit | 07ee96faac4996cde0ab82789eec0b70d1a35af0 (patch) | |
| tree | 1a36efc948d7634a95734d0c527286a5070f4c76 /compiler/utils/Util.hs | |
| parent | 276da7929c187f007c198a38e88bdad91866e500 (diff) | |
| download | haskell-07ee96faac4996cde0ab82789eec0b70d1a35af0.tar.gz | |
Use strict atomicModifyIORef' (added in GHC 7.6).
Summary: Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
Test Plan: validate
Reviewers: austin, hvr
Subscribers: thomie
Differential Revision: https://phabricator.haskell.org/D635
Diffstat (limited to 'compiler/utils/Util.hs')
| -rw-r--r-- | compiler/utils/Util.hs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/utils/Util.hs b/compiler/utils/Util.hs index a1dacb45e5..ddcfe1117b 100644 --- a/compiler/utils/Util.hs +++ b/compiler/utils/Util.hs @@ -107,7 +107,7 @@ import Exception import Panic import Data.Data -import Data.IORef ( IORef, newIORef, atomicModifyIORef ) +import Data.IORef ( IORef, newIORef, atomicModifyIORef' ) import System.IO.Unsafe ( unsafePerformIO ) import Data.List hiding (group) @@ -808,7 +808,7 @@ global a = unsafePerformIO (newIORef a) consIORef :: IORef [a] -> a -> IO () consIORef var x = do - atomicModifyIORef var (\xs -> (x:xs,())) + atomicModifyIORef' var (\xs -> (x:xs,())) globalM :: IO a -> IORef a globalM ma = unsafePerformIO (ma >>= newIORef) |