1 files changed, 43 insertions, 0 deletions
diff --git a/compiler-rt/lib/tsan/lit_tests/race_with_finished_thread.cc b/compiler-rt/lib/tsan/lit_tests/race_with_finished_thread.cc
new file mode 100644
index 00000000000..e50c22bf011
--- /dev/null
+++ b/compiler-rt/lib/tsan/lit_tests/race_with_finished_thread.cc
@@ -0,0 +1,43 @@
+// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s
+#include <pthread.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+// Ensure that we can restore a stack of a finished thread.
+
+int g_data;
+
+void __attribute__((noinline)) foobar(int *p) {
+  *p = 42;
+}
+
+void *Thread1(void *x) {
+  foobar(&g_data);
+  return NULL;
+}
+
+void *Thread2(void *x) {
+  usleep(1000*1000);
+  g_data = 43;
+  return NULL;
+}
+
+int main() {
+  pthread_t t[2];
+  pthread_create(&t[0], NULL, Thread1, NULL);
+  pthread_create(&t[1], NULL, Thread2, NULL);
+  pthread_join(t[0], NULL);
+  pthread_join(t[1], NULL);
+  return 0;
+}
+
+// CHECK: WARNING: ThreadSanitizer: data race
+// CHECK:   Write of size 4 at {{.*}} by thread 2:
+// CHECK:   Previous write of size 4 at {{.*}} by thread 1:
+// CHECK:     #0 foobar
+// CHECK:     #1 Thread1
+// CHECK:   Thread 1 (finished) created at:
+// CHECK:     #0 pthread_create
+// CHECK:     #1 main