17 lines · c
1// RUN: %clang_tsan -O2 %s -o %t2// RUN: %env_tsan_opts=check_printf=1 %run %t 2>&1 | FileCheck %s3// RUN: %env_tsan_opts=check_printf=0 %run %t 2>&1 | FileCheck %s4// RUN: %run %t 2>&1 | FileCheck %s5 6#include <stdio.h>7int main() {8 volatile char c = '0';9 volatile int x = 12;10 volatile float f = 1.239;11 volatile char s[] = "34";12 printf("%c %d %.3f %s\n", c, x, f, s);13 return 0;14 // Check that printf works fine under Tsan.15 // CHECK: 0 12 1.239 3416}17