Add GHC 9.8.4 (#2287)

* Add GHC 9.8.4

* Fix patch upper bound

ci.nix

@@ -84,8 +84,8 @@
       && (__match ".*llvm" compiler-nix-name == null)
       && ((system == "x86_64-linux"  && !builtins.elem compiler-nix-name ["ghc884" "ghc902" "ghc928" "ghc948"])
        || (system == "aarch64-linux" && !builtins.elem compiler-nix-name ["ghc884" "ghc902" "ghc928" "ghc948"])
-       || (system == "x86_64-darwin" && !builtins.elem compiler-nix-name ["ghc884" "ghc902" "ghc928" "ghc948" "ghc966" "ghc982" "ghc983"])
-       || (system == "aarch64-darwin" && !builtins.elem compiler-nix-name ["ghc884" "ghc902" "ghc928" "ghc948" "ghc966" "ghc982" "ghc983"])
+       || (system == "x86_64-darwin" && !builtins.elem compiler-nix-name ["ghc884" "ghc902" "ghc928" "ghc948" "ghc966" "ghc982" "ghc983" "ghc984"])
+       || (system == "aarch64-darwin" && !builtins.elem compiler-nix-name ["ghc884" "ghc902" "ghc928" "ghc948" "ghc966" "ghc982" "ghc983" "ghc984"])
        )) {
     inherit (lib.systems.examples) ghcjs;
   } // lib.optionalAttrs (

lazy-inputs/default.nix

@@ -32,6 +32,7 @@ in {
       inherit ((callFlake { pkgs = final; src = ./ghc981; }).defaultNix) ghc981;
       inherit ((callFlake { pkgs = final; src = ./ghc982; }).defaultNix) ghc982;
       inherit ((callFlake { pkgs = final; src = ./ghc983; }).defaultNix) ghc983;
+      inherit ((callFlake { pkgs = final; src = ./ghc984; }).defaultNix) ghc984;
       inherit ((callFlake { pkgs = final; src = ./ghc9101; }).defaultNix) ghc9101;
       inherit ((callFlake { pkgs = final; src = ./ghc912X; }).defaultNix) ghc912X;
       inherit ((callFlake { pkgs = final; src = ./ghc913; }).defaultNix) ghc913;

lazy-inputs/ghc984/flake.nix

@@ -0,0 +1,12 @@
+{
+  description = "Lazy Input for Haskell.nix";
+
+  inputs = {
+    ghc984 = {
+      flake = false;
+      url = "git+https://github.com/stable-haskell/ghc?ref=ghc-9.8.4-iog&submodules=1";
+    };
+  };
+
+  outputs = inputs: inputs;
+}