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-rw-r--r--compiler/GHC/Core/Rules.hs4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/GHC/Core/Rules.hs b/compiler/GHC/Core/Rules.hs
index e8be7389b2..f80f1951ed 100644
--- a/compiler/GHC/Core/Rules.hs
+++ b/compiler/GHC/Core/Rules.hs
@@ -917,7 +917,7 @@ match_var renv@(RV { rv_tmpls = tmpls, rv_lcl = rn_env, rv_fltR = flt_env })
Var v2 | v1' == rnOccR rn_env v2
-> Just subst
- | Var v2' <- lookupIdSubst (text "match_var") flt_env v2
+ | Var v2' <- lookupIdSubst flt_env v2
, v1' == v2'
-> Just subst
@@ -965,7 +965,7 @@ match_tmpl_var renv@(RV { rv_lcl = rn_env, rv_fltR = flt_env })
where
-- e2' is the result of applying flt_env to e2
e2' | isEmptyVarSet let_bndrs = e2
- | otherwise = substExpr (text "match_tmpl_var") flt_env e2
+ | otherwise = substExpr flt_env e2
id_subst' = extendVarEnv (rs_id_subst subst) v1' e2'
-- No further renaming to do on e2',