[clang] [Driver][ASan] Refactor Clang-Driver "Sanitizer Bitcode" linking. (PR #123922)

[Amit Kumar Pandey via cfe-commits]

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@@ -950,6 +950,11 @@ void ROCMToolChain::addClangTargetOptions(
                                                 ABIVer))
     return;
 
+  std::tuple<bool, const SanitizerArgs> GPUSan(
+      DriverArgs.hasFlag(options::OPT_fgpu_sanitize,
+                         options::OPT_fno_gpu_sanitize, true),
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ampandey-1995 wrote:

Yes , sorry one misstep is here is that GPUSan object created while not checking that ```-fsanitize=address```  available. This GPUSan should be a pointer and should be initialized when ```-fsanitize=address``` is detected on Args.

https://github.com/llvm/llvm-project/pull/123922