vendor/compiler-rt/compiler-rt-r224034

1 files changed, 37 insertions, 0 deletions

diff --git a/test/asan/TestCases/Windows/thread_stack_reuse.cc b/test/asan/TestCases/Windows/thread_stack_reuse.cc
new file mode 100644
index 000000000000..7da3a807dac1
--- /dev/null
+++ b/test/asan/TestCases/Windows/thread_stack_reuse.cc
@@ -0,0 +1,37 @@
+// RUN: %clang_cl_asan -O0 %s -Fe%t
+// RUN: %run %t
+
+#include <windows.h>
+
+DWORD WINAPI thread_proc_1(void *) {
+  volatile int x, y, z;
+  x = 1;
+  y = 2;
+  z = 3;
+  return 0;
+}
+
+DWORD WINAPI thread_proc_2(void *) {
+  volatile char stack_buffer[42];
+  for (int i = 0; i < sizeof(stack_buffer); ++i)
+    stack_buffer[i] = 42;
+  return 0;
+}
+
+int main(void) {
+  HANDLE thr = NULL;
+
+  thr = CreateThread(NULL, 0, thread_proc_1, NULL, 0, NULL);
+  if (thr == 0)
+    return 1;
+  if (WAIT_OBJECT_0 != WaitForSingleObject(thr, INFINITE))
+    return 2;
+
+  thr = CreateThread(NULL, 0, thread_proc_2, NULL, 0, NULL);
+  if (thr == 0)
+    return 3;
+  if (WAIT_OBJECT_0 != WaitForSingleObject(thr, INFINITE))
+    return 4;
+  CloseHandle(thr);
+}
+