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Remove "__" prefix for forall when printing a RULE
[ghc-hetmet.git]
/
compiler
/
typecheck
/
TcMType.lhs
diff --git
a/compiler/typecheck/TcMType.lhs
b/compiler/typecheck/TcMType.lhs
index
1b7bb64
..
55b16d9
100644
(file)
--- a/
compiler/typecheck/TcMType.lhs
+++ b/
compiler/typecheck/TcMType.lhs
@@
-422,7
+422,7
@@
zonkTcTyVarsAndFV tyvars = mappM zonkTcTyVar tyvars `thenM` \ tys ->
returnM (tyVarsOfTypes tys)
zonkTcTyVar :: TcTyVar -> TcM TcType
-zonkTcTyVar tyvar = ASSERT( isTcTyVar tyvar )
+zonkTcTyVar tyvar = ASSERT2( isTcTyVar tyvar, ppr tyvar)
zonk_tc_tyvar (\ tv -> returnM (TyVarTy tv)) tyvar
\end{code}