// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
#include "test.h"
int *mem;
void *Thread(void *x) {
mem[0] = 42;
barrier_wait(&barrier);
return NULL;
}
int main() {
barrier_init(&barrier, 2);
mem = (int*)malloc(100);
pthread_t t;
pthread_create(&t, 0, Thread, 0);
barrier_wait(&barrier);
free(mem);
pthread_join(t, NULL);
return 0;
}
// CHECK: WARNING: ThreadSanitizer: data race
// CHECK: Write of size 8 at {{.*}} by main thread{{.*}}:
// CHECK: #0 free
// CHECK: #{{(1|2)}} main
// CHECK: Previous write of size 4 at {{.*}} by thread T1{{.*}}:
// CHECK: #0 Thread