compiler-rt/test/tsan/stack_race.cpp

   1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
   2 #include "test.h"
   3
   4 void *Thread(void *a) {
   5   barrier_wait(&barrier);
   6   *(int*)a = 43;
   7   return 0;
   8 }
   9
  10 int main() {
  11   barrier_init(&barrier, 2);
  12   int Var = 42;
  13   pthread_t t;
  14   pthread_create(&t, 0, Thread, &Var);
  15   Var = 43;
  16   barrier_wait(&barrier);
  17   pthread_join(t, 0);
  18 }
  19
  20 // CHECK: WARNING: ThreadSanitizer: data race
  21 // CHECK:   Location is stack of main thread.
  22