text: // RUN: %clang_asan -O2 %s -o %t
  // RUN: ASAN_OPTIONS=check_printf=1 %run %t 2>&1 | FileCheck %s
  // RUN: ASAN_OPTIONS=check_printf=0 %run %t 2>&1 | FileCheck %s
  // RUN: %run %t 2>&1 | FileCheck %s
  
  #include <stdio.h>
  int main() {
    volatile char c = '0';
    volatile int x = 12;
    volatile float f = 1.239;
    volatile char s[] = "34";
    // Check that printf works fine under Asan.
    printf("%c %d %.3f %s\n", c, x, f, s);
    // CHECK: 0 12 1.239 34
    // Check that snprintf works fine under Asan.
    char buf[4];
    snprintf(buf, 1000, "qwe");
    printf("%s\n", buf);
    // CHECK: qwe
    return 0;
  }
  