40 lines · cpp
1// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s2#include <pthread.h>3#include <stdio.h>4#include <stdlib.h>5 6struct P {7 int x;8 int y;9};10 11int Helper() {12 try {13 static int i = []() {14 throw P{};15 return 1;16 }();17 return i;18 } catch (P) {19 return 0;20 }21}22 23void *Thread(void *x) {24 for (int i = 0; i < 1000; ++i) {25 Helper();26 }27 return 0;28}29 30int main() {31 pthread_t t[2];32 pthread_create(&t[0], 0, Thread, 0);33 pthread_create(&t[1], 0, Thread, 0);34 pthread_join(t[0], 0);35 pthread_join(t[1], 0);36 fprintf(stderr, "PASS\n");37}38 39// CHECK-NOT: WARNING: ThreadSanitizer: data race40