| 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
| 2 | #include "test.h" |
| 3 | |
| 4 | struct A { |
| 5 | virtual void F() { |
| 6 | } |
| 7 | |
| 8 | virtual ~A() { |
| 9 | } |
| 10 | }; |
| 11 | |
| 12 | struct B : A { |
| 13 | virtual void F() { |
| 14 | } |
| 15 | }; |
| 16 | |
| 17 | void *Thread(void *x) { |
| 18 | barrier_wait(barrier: &barrier); |
| 19 | ((A*)x)->F(); |
| 20 | return 0; |
| 21 | } |
| 22 | |
| 23 | int main() { |
| 24 | barrier_init(barrier: &barrier, count: 2); |
| 25 | A *obj = new B; |
| 26 | pthread_t t; |
| 27 | pthread_create(newthread: &t, attr: 0, start_routine: Thread, arg: obj); |
| 28 | delete obj; |
| 29 | barrier_wait(barrier: &barrier); |
| 30 | pthread_join(th: t, thread_return: 0); |
| 31 | } |
| 32 | |
| 33 | // CHECK: WARNING: ThreadSanitizer: heap-use-after-free (virtual call vs free) |
| 34 | |
| 35 | |