[PATCH] tsan: update docs

[Alexey Samsonov]

================
Comment at: docs/ThreadSanitizer.rst:109
@@ +108,3 @@
+due to missed synchronization via atomic operations and missed stack frames in reports.
+If a blacklisted function is inlined into a non-blacklisted function, it will be
+instrumented.
----------------
Please double check this. Is it not the case that frontend drops sanitize_thread attribute from function
if it is blacklisted? In this case it can't be inlined into another function.


http://llvm-reviews.chandlerc.com/D1956