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| author | Ben Gamari <ben@smart-cactus.org> | 2020-05-28 18:02:43 -0400 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2020-06-04 04:37:21 -0400 |
| commit | 6735b9d94605b4c7f75e70339bfaa4207f23e52b (patch) | |
| tree | e000aa67bc53015d9c5f6c71ec6213fc7543ccff | |
| parent | 2bd3929ad1b06b01c1d22d513902507eefadc131 (diff) | |
| download | haskell-6735b9d94605b4c7f75e70339bfaa4207f23e52b.tar.gz | |
GHC.Hs.Instances: Compile with -O0
This module contains exclusively Data instances, which are going to be
slow no matter what we do. Furthermore, they are incredibly slow to
compile with optimisation (see #9557). Consequently we compile this with
-O0. See #18254.
| -rw-r--r-- | compiler/GHC/Hs/Instances.hs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/GHC/Hs/Instances.hs b/compiler/GHC/Hs/Instances.hs index a5588f31d2..61cb81006b 100644 --- a/compiler/GHC/Hs/Instances.hs +++ b/compiler/GHC/Hs/Instances.hs @@ -5,6 +5,13 @@ {-# LANGUAGE FlexibleInstances #-} {-# LANGUAGE UndecidableInstances #-} {-# OPTIONS_GHC -fno-warn-orphans #-} + +-- This module contains exclusively Data instances, which are going to be slow +-- no matter what we do. Furthermore, they are incredibly slow to compile with +-- optimisation (see #9557). Consequently we compile this with -O0. +-- See #18254. +{-# OPTIONS_GHC -O0 #-} + module GHC.Hs.Instances where -- This module defines the Data instances for the hsSyn AST. |