[clang][cli] Implement '-cuid=' marshalling

[jansvoboda11]

Summary

This patch adds marshalling to the -cuid= option introduced in D95007.

[jansvoboda11]

Rebase

[Bigcheese]

LGTM

clang/include/clang/Driver/Options.td

 defm gpu_sanitize : BoolFOption<"gpu-sanitize", EmptyKPM, DefaultFalse,
   PosFlag<SetTrue, [], "Enable sanitizer for AMDGPU target">,
   NegFlag<SetFalse>>;
 def cuid_EQ : Joined<["-"], "cuid=">, Flags<[CC1Option]>,
   HelpText<"An ID for compilation unit, which should be the same for the same "
            "compilation unit but different for different compilation units. "
            "It is used to externalize device-side static variables for single "
            "source offloading languages CUDA and HIP so that they can be "
-           "accessed by the host code of the same compilation unit.">;
+           "accessed by the host code of the same compilation unit.">,
+  MarshallingInfoString<LangOpts<"CUID">>;
 def fuse_cuid_EQ : Joined<["-"], "fuse-cuid=">,
   HelpText<"Method to generate ID's for compilation units for single source "
            "offloading languages CUDA and HIP: 'hash' (ID's generated by hashing "
            "file path and command line options) | 'random' (ID's generated as "
            "random numbers) | 'none' (disabled). Default is 'hash'. This option "
            "will be overriden by option '-cuid=[ID]' if it is specified." >;
 def libomptarget_amdgcn_bc_path_EQ : Joined<["--"], "libomptarget-amdgcn-bc-path=">, Group<i_Group>,
   HelpText<"Path to libomptarget-amdgcn bitcode library">;

clang/lib/Frontend/CompilerInvocation.cpp

#undef LANG_OPTION_WITH_MARSHALLING
 
   if (const Arg *A = Args.getLastArg(OPT_fcf_protection_EQ)) {
     StringRef Name = A->getValue();
     if (Name == "full" || Name == "branch") {
       Opts.CFProtectionBranch = 1;
     }
   }
 
-
-  if (auto *A = Args.getLastArg(OPT_cuid_EQ)) {
-    Opts.CUID = std::string(A->getValue());
-  }
-
   if (Opts.ObjC) {
     if (Arg *arg = Args.getLastArg(OPT_fobjc_runtime_EQ)) {
       StringRef value = arg->getValue();
       if (Opts.ObjCRuntime.tryParse(value))
         Diags.Report(diag::err_drv_unknown_objc_runtime) << value;
     }
 
     if (Args.hasArg(OPT_fobjc_gc_only))