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-rw-r--r--compiler/GHC/Tc/Gen/Head.hs3
1 files changed, 1 insertions, 2 deletions
diff --git a/compiler/GHC/Tc/Gen/Head.hs b/compiler/GHC/Tc/Gen/Head.hs
index e5806637b0..84e391ee50 100644
--- a/compiler/GHC/Tc/Gen/Head.hs
+++ b/compiler/GHC/Tc/Gen/Head.hs
@@ -659,9 +659,8 @@ tcExprSig expr sig@(PartialSig { psig_name = name, sig_loc = loc })
= ApplyMR
| otherwise
= NoRestrictions
- ; (qtvs, givens, ev_binds, residual, _)
+ ; (qtvs, givens, ev_binds, _)
<- simplifyInfer tclvl infer_mode [sig_inst] [(name, tau)] wanted
- ; emitConstraints residual
; tau <- zonkTcType tau
; let inferred_theta = map evVarPred givens