xref: /aosp_15_r20/external/compiler-rt/test/tsan/vptr_harmful_race4.cc (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6) 
1*7c3d14c8STreehugger Robot // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2*7c3d14c8STreehugger Robot #include "test.h"
3*7c3d14c8STreehugger Robot 
4*7c3d14c8STreehugger Robot struct A {
FA5*7c3d14c8STreehugger Robot   virtual void F() {
6*7c3d14c8STreehugger Robot   }
7*7c3d14c8STreehugger Robot 
~AA8*7c3d14c8STreehugger Robot   virtual ~A() {
9*7c3d14c8STreehugger Robot   }
10*7c3d14c8STreehugger Robot };
11*7c3d14c8STreehugger Robot 
12*7c3d14c8STreehugger Robot struct B : A {
FB13*7c3d14c8STreehugger Robot   virtual void F() {
14*7c3d14c8STreehugger Robot   }
15*7c3d14c8STreehugger Robot };
16*7c3d14c8STreehugger Robot 
Thread(void * x)17*7c3d14c8STreehugger Robot void *Thread(void *x) {
18*7c3d14c8STreehugger Robot   barrier_wait(&barrier);
19*7c3d14c8STreehugger Robot   ((A*)x)->F();
20*7c3d14c8STreehugger Robot   return 0;
21*7c3d14c8STreehugger Robot }
22*7c3d14c8STreehugger Robot 
main()23*7c3d14c8STreehugger Robot int main() {
24*7c3d14c8STreehugger Robot   barrier_init(&barrier, 2);
25*7c3d14c8STreehugger Robot   A *obj = new B;
26*7c3d14c8STreehugger Robot   pthread_t t;
27*7c3d14c8STreehugger Robot   pthread_create(&t, 0, Thread, obj);
28*7c3d14c8STreehugger Robot   delete obj;
29*7c3d14c8STreehugger Robot   barrier_wait(&barrier);
30*7c3d14c8STreehugger Robot   pthread_join(t, 0);
31*7c3d14c8STreehugger Robot }
32*7c3d14c8STreehugger Robot 
33*7c3d14c8STreehugger Robot // CHECK: WARNING: ThreadSanitizer: heap-use-after-free (virtual call vs free)
34*7c3d14c8STreehugger Robot 
35