| 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
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| 2 | #include <pthread.h> |
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| 3 | |
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| 4 | volatile int N; // Prevent loop unrolling. |
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| 5 | int **data; |
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| 6 | |
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| 7 | void *Thread1(void *x) { |
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| 8 | for (int i = 0; i < N; i++) |
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| 9 | data[i][0] = 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 | N = 4; |
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| 15 | data = new int*[N]; |
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| 16 | for (int i = 0; i < N; i++) |
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| 17 | data[i] = new int; |
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| 18 | pthread_t t; |
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| 19 | pthread_create(newthread: &t, attr: 0, start_routine: Thread1, arg: 0); |
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| 20 | Thread1(x: 0); |
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| 21 | pthread_join(th: t, thread_return: 0); |
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| 22 | for (int i = 0; i < N; i++) |
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| 23 | delete data[i]; |
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| 24 | delete[] data; |
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| 25 | } |
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| 26 | |
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| 27 | // CHECK: ThreadSanitizer: reported 1 warnings |
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| 28 | |
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