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1// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s2#include "test.h"3 4// Test for https://llvm.org/bugs/show_bug.cgi?id=232355// The bug was that synchronization between thread creation and thread start6// is not established if pthread_create is followed by pthread_detach.7 8int x;9 10void *Thread(void *a) {11 x = 42;12 barrier_wait(&barrier);13 return 0;14}15 16int main() {17 barrier_init(&barrier, 2);18 pthread_t t;19 x = 43;20 pthread_create(&t, 0, Thread, 0);21 pthread_detach(t);22 barrier_wait(&barrier);23 fprintf(stderr, "PASS\n");24 return 0;25}26 27// CHECK-NOT: WARNING: ThreadSanitizer: data race28// CHECK: PASS29