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-rw-r--r--compiler/GHC/SysTools/BaseDir.hs4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/GHC/SysTools/BaseDir.hs b/compiler/GHC/SysTools/BaseDir.hs
index c0a1fa2cee..5d86ee6925 100644
--- a/compiler/GHC/SysTools/BaseDir.hs
+++ b/compiler/GHC/SysTools/BaseDir.hs
@@ -196,11 +196,11 @@ findToolDir False top_dir = go 0 (top_dir </> "..") []
InstallationError $ "could not detect mingw toolchain in the following paths: " ++ show tried
| otherwise = do
let try = path </> "mingw"
- let tried = tried ++ [try]
+ let tried' = tried ++ [try]
oneLevel <- doesDirectoryExist try
if oneLevel
then return (Just path)
- else go (k+1) (path </> "..") tried
+ else go (k+1) (path </> "..") tried'
findToolDir True _ = return Nothing
#else
findToolDir _ _ = return Nothing