File: atexit3.cpp

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// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s

#include <stdio.h>
#include <stdlib.h>

static void atexit5() {
  fprintf(stderr, "5");
}

static void atexit4() {
  fprintf(stderr, "4");
}

static void atexit3() {
  fprintf(stderr, "3");
}

static void atexit2() {
  fprintf(stderr, "2");
}

static void atexit1() {
  fprintf(stderr, "1");
}

static void atexit0() {
  fprintf(stderr, "\n");
}

int main() {
  atexit(atexit0);
  atexit(atexit1);
  atexit(atexit2);
  atexit(atexit3);
  atexit(atexit4);
  atexit(atexit5);
}

// CHECK-NOT: FATAL: ThreadSanitizer
// CHECK-NOT: WARNING: ThreadSanitizer
// CHECK: 54321