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-rw-r--r--compiler/utils/StringBuffer.lhs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/utils/StringBuffer.lhs b/compiler/utils/StringBuffer.lhs
index 5d1bfa6086..1ad4879ef8 100644
--- a/compiler/utils/StringBuffer.lhs
+++ b/compiler/utils/StringBuffer.lhs
@@ -51,6 +51,7 @@ import FastFunctions
import Foreign
import System.IO ( hGetBuf, hFileSize,IOMode(ReadMode), hClose
, Handle, hTell )
+import System.IO.Unsafe ( unsafePerformIO )
import GHC.Exts