| 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 | // Test for https://github.com/google/sanitizers/issues/602 |
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| 5 | |
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| 6 | void *Thread(void *a) { |
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| 7 | __atomic_store_n((int*)a, 1, __ATOMIC_RELAXED); |
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| 8 | return 0; |
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| 9 | } |
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| 10 | |
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| 11 | int main() { |
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| 12 | int *a = new int(0); |
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| 13 | pthread_t t; |
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| 14 | pthread_create(newthread: &t, attr: 0, start_routine: Thread, arg: a); |
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| 15 | while (__atomic_load_n(a, __ATOMIC_RELAXED) == 0) |
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| 16 | sched_yield(); |
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| 17 | delete a; |
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| 18 | pthread_join(th: t, thread_return: 0); |
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| 19 | } |
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| 20 | |
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| 21 | // CHECK: WARNING: ThreadSanitizer: data race |
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| 22 | // CHECK: Write |
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| 23 | // CHECK: #0 operator delete |
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| 24 | // CHECK: #1 main |
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| 25 | |
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| 26 | // CHECK: Previous atomic write |
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| 27 | // CHECK: #0 Thread |
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| 28 | |
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