diff --git a/compiler-rt/lib/gwp_asan/tests/late_init.cpp b/compiler-rt/lib/gwp_asan/tests/late_init.cpp
--- a/compiler-rt/lib/gwp_asan/tests/late_init.cpp
+++ b/compiler-rt/lib/gwp_asan/tests/late_init.cpp
@@ -10,7 +10,9 @@
 #include "gwp_asan/options.h"
 #include "gwp_asan/tests/harness.h"
 
-TEST(LateInit, CheckLateInitIsOK) {
+#include <thread>
+
+static void checkLateInitIsOK() {
   gwp_asan::GuardedPoolAllocator GPA;
 
   for (size_t i = 0; i < 0x100; ++i)
@@ -23,3 +25,8 @@
   GPA.init(Opts);
   EXPECT_TRUE(GPA.shouldSample());
 }
+
+TEST(LateInit, CheckLateInitIsOK) {
+  std::thread Thread(checkLateInitIsOK);
+  Thread.join();
+}