1 // RUN: %clangxx_msan -O0 %s -o %t && %run %t 2 3 // Check that when TLS block is reused between threads, its shadow is cleaned. 4 5 #include <pthread.h> 6 #include <stdio.h> 7 8 int __thread x; 9 10 void *ThreadFn(void *) { 11 if (!x) 12 printf("zzz\n"); 13 int y; 14 int * volatile p = &y; 15 x = *p; 16 return 0; 17 } 18 19 int main(void) { 20 pthread_t t; 21 for (int i = 0; i < 100; ++i) { 22 pthread_create(&t, 0, ThreadFn, 0); 23 pthread_join(t, 0); 24 } 25 return 0; 26 } 27
