dev-haskell/linear: allow new base-orphans-0.8

Reported-by: Toralf Förster
Closes: https://bugs.gentoo.org/761820
Package-Manager: Portage-3.0.12, Repoman-3.0.2
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

dev-haskell/linear/files/linear-1.20.9-base-orphans-0.8.3.patch

@@ -0,0 +1,13 @@
+--- a/src/Linear/Instances.hs
++++ b/src/Linear/Instances.hs
+@@ -21,8 +21,10 @@ import Control.Monad.Zip
+ import Data.Complex
+ import Data.Orphans ()
+ 
++#if ! MIN_VERSION_base_orphans(0,8,3)
+ instance MonadZip Complex where
+   mzipWith = liftA2
+ 
+ instance MonadFix Complex where
+   mfix f = (let a :+ _ = f a in a) :+ (let _ :+ a = f a in a)
++#endif

dev-haskell/linear/linear-1.20.9.ebuild

@@ -47,6 +47,8 @@ DEPEND="${RDEPEND}
 		>=dev-haskell/test-framework-hunit-0.3 )
 "
 
+PATCHES=("${FILESDIR}"/${P}-base-orphans-0.8.3.patch)
+
 src_configure() {
 	haskell-cabal_src_configure \
 		--flag=-herbie \