Lower heap size limits on systems that are short of virtual memory.

src/platform-win32.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 26 matching lines @@
 
 // Extra POSIX/ANSI routines for Win32 when when using Visual Studio C++. Please
 // refer to The Open Group Base Specification for specification of the correct
 // semantics for these functions.
 // (http://www.opengroup.org/onlinepubs/000095399/)
 #ifdef _MSC_VER
 
 namespace v8 {
 namespace internal {
 
+intptr_t OS::MaxVirtualMemory() {
+  return 0;
+}
+
+
 // Test for finite value - usually defined in math.h
 int isfinite(double x) {
   return _finite(x);
 }
 
 }  // namespace v8
 }  // namespace internal
 
 // Test for a NaN (not a number) value - usually defined in math.h
 int isnan(double x) {
@@ skipping 1955 matching lines @@
 
 void Sampler::Stop() {
   ASSERT(IsActive());
   SamplerThread::RemoveActiveSampler(this);
   SetActive(false);
 }
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal