[clang] [llvm] [LLVM][rtsan] Add module pass to initialize rtsan (PR #118989)

[Vitaly Buka via llvm-commits]

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@@ -1024,12 +1024,14 @@ void EmitAssemblyHelper::RunOptimizationPipeline(
             FPM.addPass(BoundsCheckingPass());
           });
 
-    if (LangOpts.Sanitize.has(SanitizerKind::Realtime))
+    if (LangOpts.Sanitize.has(SanitizerKind::Realtime)) {
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vitalybuka wrote:

@cjappl 
@why do we use this location and not `addSanitizers`?  In particular registerOptimizerLastEPCallback?

https://github.com/llvm/llvm-project/pull/118989