1// Ensure that operator new/delete are still replaceable using shared-libsan.
2
3// FIXME: Weak symbols aren't supported on Windows, although some code in
4// compiler-rt already exists to solve this problem. We should probably define
5// the new/delete interceptors as "weak" using those workarounds as well.
6// UNSUPPORTED: target={{.*windows.*}}
7
8// RUN: %clangxx %s -o %t -fsanitize=address -shared-libsan && not %run %t 2>&1 | FileCheck %s
9
10#include <cstdio>
11#include <cstdlib>
12#include <new>
13
14void *operator new[](size_t size) {
15 fprintf(stderr, "replaced new\n");
16 return malloc(size);
17}
18
19void operator delete[](void *ptr) noexcept {
20 fprintf(stderr, "replaced delete\n");
21 return free(ptr);
22}
23
24int main(int argc, char **argv) {
25 // CHECK: replaced new
26 char *x = new char[5];
27 // CHECK: replaced delete
28 delete[] x;
29 // CHECK: ERROR: AddressSanitizer
30 *x = 13;
31 return 0;
32}
33

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