wasm: add flag to dump modules

src/base/platform/platform-win32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Platform-specific code for Win32.
 
 // Secure API functions are not available using MinGW with msvcrt.dll
 // on Windows XP. Make sure MINGW_HAS_SECURE_API is not defined to
 // disable definition of secure API functions in standard headers that
 // would conflict with our own implementation.
@@ skipping 556 matching lines @@
   } else {
     return NULL;
   }
 }
 
 
 bool OS::Remove(const char* path) {
   return (DeleteFileA(path) != 0);
 }
 
+char OS::DirectorySeparator() { return '\\'; }
 
 bool OS::isDirectorySeparator(const char ch) {
   return ch == '/' || ch == '\\';
 }
 
 
 FILE* OS::OpenTemporaryFile() {
   // tmpfile_s tries to use the root dir, don't use it.
   char tempPathBuffer[MAX_PATH];
   DWORD path_result = 0;
@@ skipping 805 matching lines @@
 
 
 void Thread::SetThreadLocal(LocalStorageKey key, void* value) {
   BOOL result = TlsSetValue(static_cast<DWORD>(key), value);
   USE(result);
   DCHECK(result);
 }
 
 }  // namespace base
 }  // namespace v8