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

[Chris Apple via cfe-commits]

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@@ -25,3 +25,7 @@ attributes #0 = { mustprogress noinline sanitize_realtime optnone ssp uwtable(sy
 ; RealtimeSanitizer pass should insert __rtsan_realtime_exit right before function return
 ; CHECK: call{{.*}}@__rtsan_realtime_exit
 ; CHECK-NEXT: ret{{.*}}void
+
+; RealtimeSanitizer pass should insert call to initialize the runtime
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cjappl wrote:

Good idea!

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