clang/darwin: use response files with ld64

[keith]

Summary

This crasher was fixed with Xcode 13.0 beta 1 / ld64 705. This is an
updated revert of https://reviews.llvm.org/D92357

[thakis]

Nice :)

clang/lib/Driver/ToolChains/Darwin.cpp

if (Arg *A = Args.getLastArg(options::OPT_fveclib)) {
       if (A->getValue() == StringRef("Accelerate")) {
         CmdArgs.push_back("-framework");
         CmdArgs.push_back("Accelerate");
       }
     }
   }
 
   ResponseFileSupport ResponseSupport;
-  if (LinkerIsLLDDarwinNew) {
-    // Xcode12's ld64 added support for @response files, but it's crashy:
-    // https://openradar.appspot.com/radar?id=4933317065441280
-    // FIXME: Pass this for ld64 once it no longer crashes.
+  if (Version[0] >= 705 || LinkerIsLLDDarwinNew) {
     ResponseSupport = ResponseFileSupport::AtFileUTF8();
   } else {
     // For older versions of the linker, use the legacy filelist method instead.
     ResponseSupport = {ResponseFileSupport::RF_FileList, llvm::sys::WEM_UTF8,
                        "-filelist"};
   }
 
   std::unique_ptr<Command> Cmd = std::make_unique<Command>(