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 | |
14 | void *operator new[](size_t size) { |
15 | fprintf(stderr, "replaced new\n" ); |
16 | return malloc(size); |
17 | } |
18 | |
19 | void operator delete[](void *ptr) noexcept { |
20 | fprintf(stderr, "replaced delete\n" ); |
21 | return free(ptr); |
22 | } |
23 | |
24 | int 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 | |