| 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 | |