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Add assertion checks for mkCoVar/mkTyVar
[ghc-hetmet.git]
/
compiler
/
coreSyn
/
CoreUtils.lhs
diff --git
a/compiler/coreSyn/CoreUtils.lhs
b/compiler/coreSyn/CoreUtils.lhs
index
b0de6f2
..
ffbdb50
100644
(file)
--- a/
compiler/coreSyn/CoreUtils.lhs
+++ b/
compiler/coreSyn/CoreUtils.lhs
@@
-1120,7
+1120,8
@@
eta_expand n us expr ty
Lam lam_tv (eta_expand n us2 (App expr (Type (mkTyVarTy lam_tv))) (substTyWith [tv] [mkTyVarTy lam_tv] ty'))
where
Lam lam_tv (eta_expand n us2 (App expr (Type (mkTyVarTy lam_tv))) (substTyWith [tv] [mkTyVarTy lam_tv] ty'))
where
- lam_tv = mkTyVar (mkSysTvName uniq FSLIT("etaT")) (tyVarKind tv)
+ lam_tv = setVarName tv (mkSysTvName uniq FSLIT("etaT"))
+ -- Using tv as a base retains its tyvar/covar-ness
(uniq:us2) = us
; Nothing ->
(uniq:us2) = us
; Nothing ->