tsan: fix darwin Go support

os_trace turns out to be a macro that creates static object.
Function-static objects use __cxa_atexit and __dso_handle
which are not present in Go runtime.

llvm-svn: 267720

compiler-rt/lib/sanitizer_common/sanitizer_mac.cc

@@ -468,6 +468,7 @@ void LogMessageOnPrintf(const char *str) {
 }
 
 void LogFullErrorReport(const char *buffer) {
+#ifndef SANITIZER_GO
   // Log with os_trace. This will make it into the crash log.
 #if SANITIZER_OS_TRACE
   if (GetMacosVersion() >= MACOS_VERSION_YOSEMITE) {
@@ -489,7 +490,6 @@ void LogFullErrorReport(const char *buffer) {
   }
 #endif
 
-#ifndef SANITIZER_GO
   // Log to syslog.
   // The logging on OS X may call pthread_create so we need the threading
   // environment to be fully initialized. Also, this should never be called when
@@ -500,9 +500,9 @@ void LogFullErrorReport(const char *buffer) {
   BlockingMutexLock l(&syslog_lock);
   if (common_flags()->log_to_syslog)
     WriteToSyslog(buffer);
-#endif
 
   // The report is added to CrashLog as part of logging all of Printf output.
+#endif
 }
 
 SignalContext::WriteFlag SignalContext::GetWriteFlag(void *context) {