xref: /llvm-project/compiler-rt/test/asan/TestCases/replaceable_new_delete_shared.cpp (revision 665e32ee0ffd2b70c9066bebaaa6140dc0ca93f8)
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 
operator new[](size_t size)14 void *operator new[](size_t size) {
15   fprintf(stderr, "replaced new\n");
16   return malloc(size);
17 }
18 
operator delete[](void * ptr)19 void operator delete[](void *ptr) noexcept {
20   fprintf(stderr, "replaced delete\n");
21   return free(ptr);
22 }
23 
main(int argc,char ** argv)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