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-rw-r--r--ghc/compiler/hsSyn/HsDecls.lhs1
1 files changed, 1 insertions, 0 deletions
diff --git a/ghc/compiler/hsSyn/HsDecls.lhs b/ghc/compiler/hsSyn/HsDecls.lhs
index 7fb207ee9a..aed17b2e5b 100644
--- a/ghc/compiler/hsSyn/HsDecls.lhs
+++ b/ghc/compiler/hsSyn/HsDecls.lhs
@@ -340,6 +340,7 @@ eq_fld env (ns1,bt1) (ns2, bt2) = ns1==ns2 && eq_btype env bt1 bt2
eq_btype env (Banged t1) (Banged t2) = eq_hsType env t1 t2
eq_btype env (Unbanged t1) (Unbanged t2) = eq_hsType env t1 t2
eq_btype env (Unpacked t1) (Unpacked t2) = eq_hsType env t1 t2
+eq_btype env _ _ = False
\end{code}
\begin{code}