Crash on error or assert message in Debug build

base/allocator/generic_allocators.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // When possible, we implement allocator functions on top of the basic
 // low-level functions malloc() and free().  This way, including a new
 // allocator is as simple as providing just a small interface.
 //
 // As such, this file should not contain any allocator-specific code.
 
@@ skipping 87 matching lines @@
 }
 
 void* _calloc_impl(size_t n, size_t size) {
   return calloc(n, size);
 }
 
 #ifndef NDEBUG
 #undef malloc
 #undef free
 #undef calloc
-int _CrtDbgReport(int, const char*, int, const char*, const char*, ...) {
+
+static int error_handler(int reportType) {
+  switch (reportType) {
+    case 0:  // _CRT_WARN
+      __debugbreak();
+      return 0;
+
+    case 1:  // _CRT_ERROR
+      __debugbreak();
+      return 0;
+
+    case 2:  // _CRT_ASSERT
+      __debugbreak();
+      return 0;
+  }
+  char* p = NULL;
+  *p = '\0';
   return 0;
 }
 
-int _CrtDbgReportW(int, const wchar_t*, int, const wchar_t*,
-                   const wchar_t*, ...) {
-  return 0;
+int _CrtDbgReport(int reportType,
+                  const char*,
+                  int, const char*,
+                  const char*,
+                  ...) {
+  return error_handler(reportType);
+}
+
+int _CrtDbgReportW(int reportType,
+                   const wchar_t*,
+                   int, const wchar_t*,
+                   const wchar_t*,
+                   ...) {
+  return error_handler(reportType);
 }
 
 int _CrtSetReportMode(int, int) {
   return 0;
 }
 
 void* _malloc_dbg(size_t size, int , const char*, int) {
   return malloc(size);
 }
 
 void _free_dbg(void* ptr, int) {
   free(ptr);
 }
 
 void* _calloc_dbg(size_t n, size_t size, int, const char*, int) {
   return calloc(n, size);
 }
 #endif  // NDEBUG
 
 #endif  // WIN32
 
 }  // extern C