tsan: fix windows build

llvm-svn: 200778

compiler-rt/lib/sanitizer_common/sanitizer_libc.cc

@@ -18,7 +18,7 @@ namespace __sanitizer {
 
 // Make the compiler think that something is going on there.
 static inline void break_optimization(void *arg) {
-#if SANITIZER_WINDOWS
+#if _MSC_VER
   // FIXME: make sure this is actually enough.
   __asm;
 #else

compiler-rt/lib/sanitizer_common/sanitizer_win.cc

@@ -402,8 +402,6 @@ void MaybeOpenReportFile() {
 }
 
 void RawWrite(const char *buffer) {
-  static const char *kRawWriteError =
-      "RawWrite can't output requested buffer!\n";
   uptr length = (uptr)internal_strlen(buffer);
   if (length != internal_write(report_fd, buffer, length)) {
     // stderr may be closed, but we may be able to print to the debugger