23 lines · c
1// RUN: %clang_min_runtime -fsanitize=pointer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="pointer-overflow"2// RUN: %clangxx_min_runtime -x c++ -fsanitize=pointer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="pointer-overflow"3 4#include <stdlib.h>5 6int main(int argc, char *argv[]) {7 char *base, *result;8 9 base = (char *)0;10 result = base + 0;11 // CHECK-NOT: pointer-overflow12 13 base = (char *)0;14 result = base + 1;15 // CHECK: pointer-overflow by 0x{{[[:xdigit:]]+$}}16 17 base = (char *)1;18 result = base - 1;19 // CHECK: pointer-overflow by 0x{{[[:xdigit:]]+$}}20 21 return 0;22}23