haskellPackages: restrict darwin int ptr workaround to affected GHCs

A fix was merged for GHC >= 9.10 which has been backported to GHC 9.8.2
and 9.6.5.

- a5a7a0cead
- 92239edecc

pkgs/development/haskell-modules/generic-builder.nix

@@ -549,8 +549,10 @@ let
   }
   // env
   # Implicit pointer to integer conversions are errors by default since clang 15.
-  # Works around https://gitlab.haskell.org/ghc/ghc/-/issues/23456.
-  // optionalAttrs (stdenv.hasCC && stdenv.cc.isClang) {
+  # Works around https://gitlab.haskell.org/ghc/ghc/-/issues/23456. krank:ignore-line
+  # A fix was included in GHC 9.10.* and backported to 9.6.5 and 9.8.2 (but we no longer
+  # ship 9.8.1).
+  // optionalAttrs (lib.versionOlder ghc.version "9.6.5" && stdenv.hasCC && stdenv.cc.isClang) {
     NIX_CFLAGS_COMPILE =
       "-Wno-error=int-conversion"
       + lib.optionalString (env ? NIX_CFLAGS_COMPILE) (" " + env.NIX_CFLAGS_COMPILE);