[clang] [compiler-rt] [rtsan] Enable RealtimeSanitizer for FreeBSD (PR #125389)

[via llvm-commits]

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@@ -864,11 +864,18 @@ INTERCEPTOR(void *, pvalloc, size_t size) {
 #define RTSAN_MAYBE_INTERCEPT_PVALLOC
 #endif
 
+#if !SANITIZER_FREEBSD
+// enabling this interception on freebsd leads to infinite recursion
+// on pthread lib initialization
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davidtrevelyan wrote:

@devnexen OK - that's great - thanks - I can see the recursion cycle. I'm also interested in the entry to the recursion. Could you also share the backtrace at the point at which we enter the recursion cycle for the first time?

https://github.com/llvm/llvm-project/pull/125389