src/llvm-project/compiler-rt/test/asan/TestCases/Windows/operator_array_new_uaf.cpp

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

#include <windows.h>

int main() {
  char *buffer = new char[42];
  delete [] buffer;
  buffer[0] = 42;
  // CHECK: AddressSanitizer: heap-use-after-free on address [[ADDR:0x[0-9a-f]+]]
  // CHECK: WRITE of size 1 at [[ADDR]] thread T0
  // CHECK:   {{#0 .* main .*operator_array_new_uaf.cpp}}:[[@LINE-3]]
  // CHECK: [[ADDR]] is located 0 bytes inside of 42-byte region
  // CHECK-LABEL: freed by thread T0 here:
  // CHECK:   {{#0 .* operator delete}}[]
  // CHECK:   {{#1 .* main .*operator_array_new_uaf.cpp}}:[[@LINE-8]]
  // CHECK-LABEL: previously allocated by thread T0 here:
  // CHECK:   {{#0 .* operator new}}[]
  // CHECK:   {{#1 .* main .*operator_array_new_uaf.cpp}}:[[@LINE-12]]
  return 0;
}