1 // RUN: %clangxx_tsan -O1 %s -o %T/global_race.cc.exe && %deflake %run %T/global_race.cc.exe | FileCheck %s
2 #include "test.h"
3 
4 int GlobalData[10];
5 
Thread(void * a)6 void *Thread(void *a) {
7   barrier_wait(&barrier);
8   GlobalData[2] = 42;
9   return 0;
10 }
11 
main()12 int main() {
13   barrier_init(&barrier, 2);
14   fprintf(stderr, "addr=");
15   print_address(GlobalData);
16   fprintf(stderr, "\n");
17   pthread_t t;
18   pthread_create(&t, 0, Thread, 0);
19   GlobalData[2] = 43;
20   barrier_wait(&barrier);
21   pthread_join(t, 0);
22 }
23 
24 // CHECK: addr=[[ADDR:0x[0-9,a-f]+]]
25 // CHECK: WARNING: ThreadSanitizer: data race
26 // CHECK: Location is global 'GlobalData' of size 40 at [[ADDR]] (global_race.cc.exe+0x{{[0-9,a-f]+}})
27 
28