[clang] [llvm] [Driver][SYCL] Add initial SYCL offload compilation support (PR #107493)

[Tom Honermann via cfe-commits]

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@@ -5176,11 +5183,34 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
   if (const Arg *PF = Args.getLastArg(options::OPT_mprintf_kind_EQ))
     PF->claim();
 
-  if (Args.hasFlag(options::OPT_fsycl, options::OPT_fno_sycl, false)) {
-    CmdArgs.push_back("-fsycl-is-device");
+  Arg *SYCLStdArg = Args.getLastArg(options::OPT_sycl_std_EQ);
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tahonermann wrote:

Please move the declaration of `SYCLStdArg` down to where it is tested (line ~5212).

https://github.com/llvm/llvm-project/pull/107493