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-rw-r--r--test/tsan/vptr_harmful_race3.cc53
1 files changed, 53 insertions, 0 deletions
diff --git a/test/tsan/vptr_harmful_race3.cc b/test/tsan/vptr_harmful_race3.cc
new file mode 100644
index 0000000000000..ac6ea94e51ebd
--- /dev/null
+++ b/test/tsan/vptr_harmful_race3.cc
@@ -0,0 +1,53 @@
+// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
+#include <pthread.h>
+#include <semaphore.h>
+#include <stdio.h>
+#include <unistd.h>
+
+struct A {
+ A() {
+ sem_init(&sem_, 0, 0);
+ }
+ virtual void F() {
+ }
+ void Done() {
+ sem_post(&sem_);
+ }
+ virtual ~A() {
+ sem_wait(&sem_);
+ sem_destroy(&sem_);
+ }
+ sem_t sem_;
+};
+
+struct B : A {
+ virtual void F() {
+ }
+ virtual ~B() { }
+};
+
+static A *obj = new B;
+static void (A::*fn)() = &A::F;
+
+void *Thread1(void *x) {
+ sleep(1);
+ (obj->*fn)();
+ obj->Done();
+ return NULL;
+}
+
+void *Thread2(void *x) {
+ delete obj;
+ 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);
+}
+
+// CHECK: WARNING: ThreadSanitizer: data race on vptr
+