1// Check that we can store lots of stack frames if asked to.
2
3// RUN: %clangxx_asan -O0 %s -o %t 2>&1
4// RUN: env ASAN_OPTIONS=malloc_context_size=120:redzone=512 not %run %t 2>&1 | FileCheck %s
5// XFAIL: arm-linux-gnueabi
6#include <stdlib.h>
7#include <stdio.h>
8
9template <int depth>
10struct DeepFree {
11  static void free(char *x) {
12    DeepFree<depth - 1>::free(x);
13  }
14};
15
16template<>
17struct DeepFree<0> {
18  static void free(char *x) {
19    ::free(x);
20  }
21};
22
23int main() {
24  char *x = (char*)malloc(10);
25  // deep_free(x);
26  DeepFree<200>::free(x);
27  return x[5];
28  // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
29  // CHECK: DeepFree<36>
30  // CHECK: DeepFree<98>
31  // CHECK: DeepFree<115>
32}
33