Use gold with musl. Seems like the bug has been resolved.

Author: angerman

compiler/ghc/default.nix

@@ -67,8 +67,10 @@ let self =
 , useLdGold ?
     # might be better check to see if cc is clang/llvm?
     # use gold as the linker on linux to improve link times
-    # do not use it on musl due to a ld.gold bug. See: <https://sourceware.org/bugzilla/show_bug.cgi?id=22266>.
-    (stdenv.targetPlatform.isLinux && !stdenv.targetPlatform.isAndroid && !stdenv.targetPlatform.isMusl)
+    # do not use ld.gold 2.3 with musl due to a ld.gold bug.
+    # See: <https://sourceware.org/bugzilla/show_bug.cgi?id=22266>.
+    # Note that this bug was resolved in 2017.
+    (stdenv.targetPlatform.isLinux && !stdenv.targetPlatform.isAndroid)
 
 , ghc-version ? src-spec.version
 , ghc-version-date ? null