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

[Aaron Ballman via cfe-commits]

================
@@ -0,0 +1,184 @@
+//===--- SYCL.cpp - SYCL Tool and ToolChain Implementations -----*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+#include "SYCL.h"
+#include "CommonArgs.h"
+#include "llvm/Support/Path.h"
+
+using namespace clang::driver;
+using namespace clang::driver::toolchains;
+using namespace clang::driver::tools;
+using namespace clang;
+using namespace llvm::opt;
+
+SYCLInstallationDetector::SYCLInstallationDetector(const Driver &D)
+    : D(D), InstallationCandidates() {
----------------
AaronBallman wrote:

```suggestion
    : D(D) {
```
No need

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