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      1 // Test string s1 overflow in strpbrk function
      2 // RUN: %clang_asan %s -o %t && %env_asan_opts=strict_string_checks=true not %run %t 2>&1 | FileCheck %s
      3 
      4 // Test intercept_strpbrk asan option
      5 // RUN: %env_asan_opts=intercept_strpbrk=false %run %t 2>&1
      6 
      7 #include <assert.h>
      8 #include <string.h>
      9 #include <sanitizer/asan_interface.h>
     10 
     11 int main(int argc, char **argv) {
     12   char *r;
     13   char s2[] = "ab";
     14   char s1[4] = "cab";
     15   __asan_poison_memory_region ((char *)&s1[2], 2);
     16   r = strpbrk(s1, s2);
     17   // CHECK:'s1' <== Memory access at offset {{[0-9]+}} partially overflows this variable
     18   assert(r == s1 + 1);
     19   return 0;
     20 }
     21