| 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
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| 2 | #include "test.h" |
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| 3 | |
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| 4 | _Atomic(int*) p; |
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| 5 | |
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| 6 | void *thr(void *a) { |
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| 7 | barrier_wait(barrier: &barrier); |
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| 8 | int *pp = __c11_atomic_load(&p, __ATOMIC_RELAXED); |
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| 9 | *pp = 42; |
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| 10 | return 0; |
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| 11 | } |
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| 12 | |
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| 13 | int main() { |
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| 14 | barrier_init(barrier: &barrier, count: 2); |
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| 15 | pthread_t th; |
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| 16 | pthread_create(newthread: &th, attr: 0, start_routine: thr, arg: p); |
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| 17 | __c11_atomic_store(&p, new int, __ATOMIC_RELAXED); |
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| 18 | barrier_wait(barrier: &barrier); |
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| 19 | pthread_join(th: th, thread_return: 0); |
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| 20 | } |
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| 21 | |
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| 22 | // CHECK: data race |
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| 23 | // CHECK: Previous write |
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| 24 | // CHECK: #0 operator new |
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| 25 | // CHECK: Location is heap block |
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| 26 | // CHECK: #0 operator new |
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| 27 | |
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