message: Set RUSTDOCFLAGS again
  Was accidentally removed in
diff: @@ -548,7 +548,8 @@ pub fn new(dirs: Dirs, host_triple: String, target_triple: String) -> Self {
  let host_compiler = Compiler::clif_with_triple(&dirs, host_triple);
  let mut target_compiler = Compiler::clif_with_triple(&dirs, target_triple);
  - target_compiler.rustflags = rustflags;
  + target_compiler.rustflags = rustflags.clone();
  + target_compiler.rustdocflags = rustflags;
  target_compiler.runner = runner;
  Self { is_native, jit_supported, dirs, host_compiler, target_compiler }
  