1 files changed, 30 insertions, 0 deletions
diff --git a/test/asan/TestCases/Windows/thread_stress.cc b/test/asan/TestCases/Windows/thread_stress.cc
new file mode 100644
index 0000000000000..74be8d88c665c
--- /dev/null
+++ b/test/asan/TestCases/Windows/thread_stress.cc
@@ -0,0 +1,30 @@
+// RUN: %clang_cl_asan -O0 %s -Fe%t
+// RUN: %run %t
+
+#include <windows.h>
+
+DWORD WINAPI thread_proc(void *) {
+  volatile char stack_buffer[42];
+  for (int i = 0; i < sizeof(stack_buffer); ++i)
+    stack_buffer[i] = 42;
+  return 0;
+}
+
+int main(void) {
+  for (int iter = 0; iter < 1024; ++iter) {
+    const int NUM_THREADS = 8;
+    HANDLE thr[NUM_THREADS];
+    for (int i = 0; i < NUM_THREADS; ++i) {
+      thr[i] = CreateThread(NULL, 0, thread_proc, NULL, 0, NULL);
+      if (thr[i] == 0)
+        return 1;
+    }
+    for (int i = 0; i < NUM_THREADS; ++i) {
+      if (WAIT_OBJECT_0 != WaitForSingleObject(thr[i], INFINITE))
+        return 2;
+      CloseHandle(thr[i]);
+    }
+  }
+  return 0;
+}
+