1 // RUN: %clangxx -fsanitize=pointer-overflow %s -o %t
2 // RUN: %run %t 1 2>&1 | FileCheck %s --check-prefix=ERR
3 // RUN: %run %t 0 2>&1 | FileCheck %s --check-prefix=SAFE
4 // RUN: %run %t -1 2>&1 | FileCheck %s --check-prefix=SAFE
5 
6 #include <stdio.h>
7 #include <stdint.h>
8 #include <stdlib.h>
9 
10 int main(int argc, char *argv[]) {
11   // SAFE-NOT: runtime error
12   // ERR: runtime error: pointer index expression with base {{.*}} overflowed to
13 
14   char *p = (char *)(UINTPTR_MAX);
15 
16   printf("%p\n", p + atoi(argv[1]));
17 
18   return 0;
19 }
20