Update 4.8.1 to 4.8.3.

My previous drop was the wrong version. The platform mingw is
currently using 4.8.3, not 4.8.1 (not sure how I got that wrong).

From ftp://ftp.gnu.org/gnu/gcc/gcc-4.8.3/gcc-4.8.3.tar.bz2.

Bug: http://b/26523949
Change-Id: Id85f1bdcbbaf78c7d0b5a69e74c798a08f341c35

1 files changed, 56 insertions, 0 deletions

diff --git a/gcc-4.8.3/libsanitizer/tsan/tsan_platform_windows.cc b/gcc-4.8.3/libsanitizer/tsan/tsan_platform_windows.cc
new file mode 100644
index 000000000..376dc0868
--- /dev/null
+++ b/gcc-4.8.3/libsanitizer/tsan/tsan_platform_windows.cc
@@ -0,0 +1,56 @@
+//===-- tsan_platform_windows.cc ------------------------------------------===//
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of ThreadSanitizer (TSan), a race detector.
+//
+// Windows-specific code.
+//===----------------------------------------------------------------------===//
+
+#ifdef _WIN32
+
+#include "tsan_platform.h"
+
+#include <stdlib.h>
+
+namespace __tsan {
+
+ScopedInRtl::ScopedInRtl() {
+}
+
+ScopedInRtl::~ScopedInRtl() {
+}
+
+uptr GetShadowMemoryConsumption() {
+  return 0;
+}
+
+void FlushShadowMemory() {
+}
+
+const char *InitializePlatform() {
+  return GetEnv(kTsanOptionsEnv);
+}
+
+void FinalizePlatform() {
+  fflush(0);
+}
+
+uptr GetTlsSize() {
+  return 0;
+}
+
+void GetThreadStackAndTls(bool main, uptr *stk_addr, uptr *stk_size,
+                          uptr *tls_addr, uptr *tls_size) {
+  *stk_addr = 0;
+  *stk_size = 0;
+  *tls_addr = 0;
+  *tls_size = 0;
+}
+
+}  // namespace __tsan
+
+#endif  // #ifdef _WIN32