[clang] Allow multiple sanitizers on baremetal targets. (PR #72933)

[Fangrui Song via cfe-commits]

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@@ -491,3 +491,26 @@ void baremetal::Linker::ConstructJob(Compilation &C, const JobAction &JA,
       JA, *this, ResponseFileSupport::AtFileCurCP(),
       Args.MakeArgString(TC.GetLinkerPath()), CmdArgs, Inputs, Output));
 }
+
+SanitizerMask BareMetal::getSupportedSanitizers() const {
+  const bool IsX86_64 = getTriple().getArch() == llvm::Triple::x86_64;
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MaskRay wrote:

Add a comment suggesting that this allows a superset of other targets allow so that it is clearer if someone intends to extend the list in the future (say. when we get a new sanitizer).

https://github.com/llvm/llvm-project/pull/72933