diff options
Diffstat (limited to 'compiler/GHC/Tc/Gen/Splice.hs')
| -rw-r--r-- | compiler/GHC/Tc/Gen/Splice.hs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/compiler/GHC/Tc/Gen/Splice.hs b/compiler/GHC/Tc/Gen/Splice.hs index 4fadae964b..589513af97 100644 --- a/compiler/GHC/Tc/Gen/Splice.hs +++ b/compiler/GHC/Tc/Gen/Splice.hs @@ -674,7 +674,11 @@ tcTopSplice expr res_ty -- See Note [Running typed splices in the zonker] runTopSplice :: DelayedSplice -> TcM (HsExpr GhcTc) runTopSplice (DelayedSplice lcl_env orig_expr res_ty q_expr) - = setLclEnv lcl_env $ do { + = do + errs_var <- getErrsVar + setLclEnv lcl_env $ setErrsVar errs_var $ do { + -- Set the errs_var to the errs_var from the current context, + -- otherwise error messages can go missing in GHCi (#19470) zonked_ty <- zonkTcType res_ty ; zonked_q_expr <- zonkTopLExpr q_expr -- See Note [Collecting modFinalizers in typed splices]. |