1// RUN: %clangxx_asan -O0 %s -o %t
2// RUN: not %run %t 2>&1 | FileCheck %s
3// RUN: not %run %t heap 2>&1 | FileCheck %s
4// RUN: %env_asan_opts=poison_partial=0 %run %t
5// RUN: %env_asan_opts=poison_partial=0 %run %t heap
6#include <string.h>
7char g[21];
8char *x;
9
10int main(int argc, char **argv) {
11 if (argc >= 2)
12 x = new char[21];
13 else
14 x = &g[0];
15 memset(s: x, c: 0, n: 21);
16 int *y = (int*)x;
17 return y[5];
18}
19// CHECK: 0 bytes after
20

source code of compiler-rt/test/asan/TestCases/poison_partial.cpp