[PATCH] tsan: do not deadlock on fork

[Kostya Serebryany]

================
Comment at: lib/tsan/rtl/tsan_symbolize_addr2line_linux.cc:54
@@ -50,2 +53,3 @@
 static void NOINLINE InitModule(ModuleDesc *m) {
+  EnterSymbolizer();
   int outfd[2] = {};
----------------
EnterSymbolizerScoped? 


http://llvm-reviews.chandlerc.com/D2614