Index: compiler-rt/lib/tsan/rtl/tsan_platform_posix.cpp
===================================================================
--- compiler-rt/lib/tsan/rtl/tsan_platform_posix.cpp
+++ compiler-rt/lib/tsan/rtl/tsan_platform_posix.cpp
@@ -32,7 +32,7 @@
     "TSAN_OPTIONS=%s=0\n";
 
 #  if !SANITIZER_GO
-static void DontDumpShadow(uptr addr, uptr size) {
+void DontDumpShadow(uptr addr, uptr size) {
   if (common_flags()->use_madv_dontdump)
     if (!DontDumpShadowMemory(addr, size)) {
       Printf(kShadowMemoryMappingWarning, SanitizerToolName, addr, addr + size,
Index: compiler-rt/lib/tsan/rtl/tsan_rtl.h
===================================================================
--- compiler-rt/lib/tsan/rtl/tsan_rtl.h
+++ compiler-rt/lib/tsan/rtl/tsan_rtl.h
@@ -483,6 +483,7 @@
 void DontNeedShadowFor(uptr addr, uptr size);
 void UnmapShadow(ThreadState *thr, uptr addr, uptr size);
 void InitializeShadowMemory();
+void DontDumpShadow(uptr addr, uptr size);
 void InitializeInterceptors();
 void InitializeLibIgnore();
 void InitializeDynamicAnnotations();
Index: compiler-rt/lib/tsan/rtl/tsan_rtl.cpp
===================================================================
--- compiler-rt/lib/tsan/rtl/tsan_rtl.cpp
+++ compiler-rt/lib/tsan/rtl/tsan_rtl.cpp
@@ -213,6 +213,9 @@
 #else
   auto resetFailed =
       !MmapFixedSuperNoReserve(shadow_begin, shadow_end-shadow_begin, "shadow");
+#  if !SANITIZER_GO
+  DontDumpShadow(shadow_begin, shadow_end - shadow_begin);
+#  endif
 #endif
   if (resetFailed) {
     Printf("failed to reset shadow memory\n");