1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2 #include <pthread.h> 3 4 volatile int N; // Prevent loop unrolling. 5 int **data; 6 7 void *Thread1(void *x) { 8 for (int i = 0; i < N; i++) 9 data[i][0] = 42; 10 return 0; 11 } 12 13 int main() { 14 N = 4; 15 data = new int*[N]; 16 for (int i = 0; i < N; i++) 17 data[i] = new int; 18 pthread_t t; 19 pthread_create(&t, 0, Thread1, 0); 20 Thread1(0); 21 pthread_join(t, 0); 22 for (int i = 0; i < N; i++) 23 delete data[i]; 24 delete[] data; 25 } 26 27 // CHECK: ThreadSanitizer: reported 1 warnings 28
