rustc: expose correct llvmPackages for cross compile

pkgs/development/compilers/rust/1_60.nix

@@ -33,7 +33,7 @@ import ./default.nix {
   llvmShared = llvm_14.override { enableSharedLibraries = true; };
 
   # Expose llvmPackages used for rustc from rustc via passthru for LTO in Firefox
-  llvmPackagesForBuild = pkgsBuildBuild.llvmPackages_14;
+  llvmPackages = llvmPackages_14;
 
   # Note: the version MUST be one version prior to the version we're
   # building

pkgs/development/compilers/rust/default.nix

@@ -10,7 +10,7 @@
 , llvmSharedForBuild
 , llvmSharedForHost
 , llvmSharedForTarget
-, llvmPackagesForBuild # Exposed through rustc for LTO in Firefox
+, llvmPackages # Exposed through rustc for LTO in Firefox
 }:
 { stdenv, lib
 , buildPackages
@@ -64,7 +64,7 @@ in
         version = rustcVersion;
         sha256 = rustcSha256;
         inherit enableRustcDev;
-        inherit llvmShared llvmSharedForBuild llvmSharedForHost llvmSharedForTarget llvmPackagesForBuild;
+        inherit llvmShared llvmSharedForBuild llvmSharedForHost llvmSharedForTarget llvmPackages;
 
         patches = rustcPatches;
 

pkgs/development/compilers/rust/rustc.nix

@@ -1,5 +1,5 @@
 { lib, stdenv, removeReferencesTo, pkgsBuildBuild, pkgsBuildHost, pkgsBuildTarget
-, llvmShared, llvmSharedForBuild, llvmSharedForHost, llvmSharedForTarget, llvmPackagesForBuild
+, llvmShared, llvmSharedForBuild, llvmSharedForHost, llvmSharedForTarget, llvmPackages
 , fetchurl, file, python3
 , darwin, cmake, rust, rustPlatform
 , pkg-config, openssl
@@ -179,7 +179,7 @@ in stdenv.mkDerivation rec {
 
   passthru = {
     llvm = llvmShared;
-    llvmPackages = llvmPackagesForBuild;
+    inherit llvmPackages;
   };
 
   meta = with lib; {