Add support for overloaded string literals.

[ghc-hetmet.git] / compiler / typecheck / TcHsSyn.lhs

diff --git a/compiler/typecheck/TcHsSyn.lhs b/compiler/typecheck/TcHsSyn.lhs
index f4e2587..615a7a0 100644 (file)
--- a/compiler/typecheck/TcHsSyn.lhs
+++ b/compiler/typecheck/TcHsSyn.lhs
@@ -564,6 +564,8 @@ zonkOverLit env (HsIntegral i e)
   = do { e' <- zonkExpr env e; return (HsIntegral i e') }
 zonkOverLit env (HsFractional r e)
   = do { e' <- zonkExpr env e; return (HsFractional r e') }
+zonkOverLit env (HsIsString s e)
+  = do { e' <- zonkExpr env e; return (HsIsString s e') }
 
 -------------------------------------------------------------------------
 zonkArithSeq :: ZonkEnv -> ArithSeqInfo TcId -> TcM (ArithSeqInfo Id)