1 // Ensure that operator new/delete are still replaceable.
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: windows
7 
8 // RUN: %clangxx %s -o %t -fsanitize=address -shared-libsan && not %run %t 2>&1 | FileCheck %s
9 // RUN: %clangxx %s -o %t -fsanitize=address -static-libsan && not %run %t 2>&1 | FileCheck %s
10 
11 #include <cstdio>
12 #include <cstdlib>
13 #include <new>
14 
15 void *operator new[](size_t size) {
16   fprintf(stderr, "replaced new\n");
17   return malloc(size);
18 }
19 
20 void operator delete[](void *ptr) noexcept {
21   fprintf(stderr, "replaced delete\n");
22   return free(ptr);
23 }
24 
25 int main(int argc, char **argv) {
26   // CHECK: replaced new
27   char *x = new char[5];
28   // CHECK: replaced delete
29   delete[] x;
30   // CHECK: ERROR: AddressSanitizer
31   *x = 13;
32   return 0;
33 }
34