diff options
Diffstat (limited to 'compiler/GHC/HsToCore/Utils.hs')
-rw-r--r-- | compiler/GHC/HsToCore/Utils.hs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/compiler/GHC/HsToCore/Utils.hs b/compiler/GHC/HsToCore/Utils.hs index 4f0da28586..b4d1b1b761 100644 --- a/compiler/GHC/HsToCore/Utils.hs +++ b/compiler/GHC/HsToCore/Utils.hs @@ -900,7 +900,7 @@ CPR-friendly. This matters a lot: if you don't get it right, you lose the tail call property. For example, see #3403. -} -dsHandleMonadicFailure :: Outputable (IdP p) => HsStmtContext p -> LPat GhcTc -> MatchResult CoreExpr -> FailOperator GhcTc -> DsM CoreExpr +dsHandleMonadicFailure :: HsStmtContext GhcRn -> LPat GhcTc -> MatchResult CoreExpr -> FailOperator GhcTc -> DsM CoreExpr -- In a do expression, pattern-match failure just calls -- the monadic 'fail' rather than throwing an exception dsHandleMonadicFailure ctx pat match m_fail_op = @@ -921,8 +921,9 @@ dsHandleMonadicFailure ctx pat match m_fail_op = fail_expr <- dsSyntaxExpr fail_op [fail_msg] body fail_expr -mk_fail_msg :: Outputable (IdP p) => DynFlags -> HsStmtContext p -> Located e -> String -mk_fail_msg dflags ctx pat = showPpr dflags $ text "Pattern match failure in" <+> pprStmtContext ctx <+> text "at" <+> ppr (getLoc pat) +mk_fail_msg :: DynFlags -> HsStmtContext GhcRn -> Located e -> String +mk_fail_msg dflags ctx pat + = showPpr dflags $ text "Pattern match failure in" <+> pprStmtContext ctx <+> text "at" <+> ppr (getLoc pat) {- ********************************************************************* * * |