third_party/llvm-project/compiler-rt/test/asan/TestCases/Windows/operator_array_new_with_dtor_left_oob.cpp

// UNSUPPORTED: target={{.*-windows-gnu}}

// RUN: %clang_cl_asan -Od %s -Fe%t
// RUN: not %run %t 2>&1 | FileCheck %s

struct C {
  int x;
  ~C() {}
};

int __attribute__((noinline, optnone)) hide(int x) { return x; }

int main() {
  C *buffer = new C[42];
  buffer[hide(-(1 + (int)sizeof(void*) / 4))].x = 42;
// CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
// CHECK: WRITE of size 4 at [[ADDR]] thread T0
// CHECK-NEXT: {{#0 .* main .*operator_array_new_with_dtor_left_oob.cpp}}:[[@LINE-3]]
//
// FIXME: Currently it says "4 bytes ... left of 172-byte region",
//        should be "8 bytes ... left of 168-byte region", see
//        https://code.google.com/p/address-sanitizer/issues/detail?id=314
// CHECK: [[ADDR]] is located {{.*}} bytes before {{(172|176)}}-byte region
// CHECK-LABEL: allocated by thread T0 here:
// FIXME: The 'operator new' frame should have [].
// CHECK-NEXT: {{#0 .* operator new}}
// CHECK-NEXT: {{#1 .* main .*operator_array_new_with_dtor_left_oob.cpp}}:[[@LINE-13]]
  delete [] buffer;
}