[clang] [clang][rtsan] Introduce realtime sanitizer codegen and driver (PR #102622)

[Chris Apple via cfe-commits]

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@@ -995,6 +996,13 @@ void EmitAssemblyHelper::RunOptimizationPipeline(
             FPM.addPass(BoundsCheckingPass());
           });
 
+    if (LangOpts.Sanitize.has(SanitizerKind::Realtime))
+      PB.registerScalarOptimizerLateEPCallback(
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cjappl wrote:

Thanks Vitaly! Helpful explanation 

https://github.com/llvm/llvm-project/pull/102622