Fix the stack limits setting API so it is usable.

src/v8.cc

 // Copyright 2006-2009 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 53 matching lines @@
   if (des) des->GetLog();
 
   // Setup the platform OS support.
   OS::Setup();
 
   // Initialize other runtime facilities
 #if !V8_HOST_ARCH_ARM && V8_TARGET_ARCH_ARM
   ::assembler::arm::Simulator::Initialize();
 #endif
 
+  { // NOLINT
+    // Ensure that the thread has a valid stack guard.  The v8::Locker object
+    // will ensure this too, but we don't have to use lockers if we are only
+    // using one thread.
+    ExecutionAccess lock;
+    StackGuard::InitThread(lock);
+  }
+
   // Setup the object heap
   ASSERT(!Heap::HasBeenSetup());
   if (!Heap::Setup(create_heap_objects)) {
     SetFatalError();
     return false;
   }
 
   Bootstrapper::Initialize(create_heap_objects);
   Builtins::Setup(create_heap_objects);
   Top::Initialize();
@@ skipping 87 matching lines @@
 }
 
 
 Smi* V8::RandomPositiveSmi() {
   uint32_t random = Random();
   ASSERT(IsPowerOf2(Smi::kMaxValue + 1));
   return Smi::FromInt(random & Smi::kMaxValue);
 }
 
 } }  // namespace v8::internal