ghc-{8.2.2,8.4.3}: "useLLVM" when target is musl as well#42455

dtzWill merged 2 commits intoNixOS:masterNixOS/nixpkgs:masterfrom

dtzWill:fix/ghc-musl-usellvmdtzWill/nixpkgs:fix/ghc-musl-usellvmCopy head branch name to clipboard