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authorAlan Zimmerman <alan.zimm@gmail.com>2022-03-17 18:07:45 +0000
committerMarge Bot <ben+marge-bot@smart-cactus.org>2022-04-07 07:56:28 -0400
commit54b1882416558936d171d78749400b1c838b11b8 (patch)
tree66452d1e25d2c3ca065fec356905cd96ccd788cd /compiler
parent429ea5d9147a9d3bd2513b27a4064c1ca1be2090 (diff)
downloadhaskell-54b1882416558936d171d78749400b1c838b11b8.tar.gz
EPA: handling of con_bndrs in mkGadtDecl
Get rid of unnnecessary case clause that always matched. Closes #20558
Diffstat (limited to 'compiler')
-rw-r--r--compiler/GHC/Parser/PostProcess.hs3
1 files changed, 1 insertions, 2 deletions
diff --git a/compiler/GHC/Parser/PostProcess.hs b/compiler/GHC/Parser/PostProcess.hs
index 81082534e9..ef3f279567 100644
--- a/compiler/GHC/Parser/PostProcess.hs
+++ b/compiler/GHC/Parser/PostProcess.hs
@@ -746,8 +746,7 @@ mkGadtDecl loc names ty annsIn = do
let (anns, cs, arg_types, res_type) = splitHsFunType body_ty
return (PrefixConGADT arg_types, res_type, anns, cs)
- let an = case outer_bndrs of
- _ -> EpAnn (spanAsAnchor loc) (annsIn ++ annsa) (cs Semi.<> csa)
+ let an = EpAnn (spanAsAnchor loc) (annsIn ++ annsa) (cs Semi.<> csa)
pure $ L l ConDeclGADT
{ con_g_ext = an