diff options
| -rw-r--r-- | compiler/typecheck/TcSMonad.lhs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/typecheck/TcSMonad.lhs b/compiler/typecheck/TcSMonad.lhs index a21672942b..7324798257 100644 --- a/compiler/typecheck/TcSMonad.lhs +++ b/compiler/typecheck/TcSMonad.lhs @@ -1239,7 +1239,7 @@ isTouchableMetaTyVarTcS tv isFilledMetaTyVar_maybe :: TcTyVar -> TcS (Maybe Type) isFilledMetaTyVar_maybe tv - = ASSERT( isTcTyVar tv ) + = ASSERT2( isTcTyVar tv, ppr tv ) case tcTyVarDetails tv of MetaTv { mtv_ref = ref } -> do { cts <- wrapTcS (TcM.readTcRef ref) |