Merge up to 8597 to experimental/gc from the bleeding edge.

test/cctest/test-lockers.cc

 // Copyright 2007-2011 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 46 matching lines @@
 namespace i = ::i;
 
 
 
 
 // Migrating an isolate
 class KangarooThread : public v8::internal::Thread {
  public:
   KangarooThread(v8::Isolate* isolate,
                  v8::Handle<v8::Context> context, int value)
-      : Thread(NULL, "KangarooThread"),
+      : Thread("KangarooThread"),
         isolate_(isolate), context_(context), value_(value) {
   }
 
   void Run() {
     {
       v8::Locker locker(isolate_);
       v8::Isolate::Scope isolate_scope(isolate_);
       CHECK_EQ(isolate_, v8::internal::Isolate::Current());
       v8::HandleScope scope;
       v8::Context::Scope context_scope(context_);
@@ skipping 65 matching lines @@
 
   void Join() {
     semaphore_->Wait();
   }
 
   virtual void Run() = 0;
  private:
   class ThreadWithSemaphore : public i::Thread {
    public:
     explicit ThreadWithSemaphore(JoinableThread* joinable_thread)
-      : Thread(NULL, joinable_thread->name_),
+      : Thread(joinable_thread->name_),
         joinable_thread_(joinable_thread) {
     }
 
     virtual void Run() {
       joinable_thread_->Run();
       joinable_thread_->semaphore_->Signal();
     }
 
    private:
     JoinableThread* joinable_thread_;
@@ skipping 143 matching lines @@
     CalcFibAndCheck();
     threadB.Join();
   }
  private:
   v8::Isolate* isolate1_;
   v8::Isolate* isolate2_;
 };
 
 // Run parallel threads that lock and access different isolates in parallel
 TEST(SeparateIsolatesLocksNonexclusive) {
+#ifdef V8_TARGET_ARCH_ARM
+  const int kNThreads = 50;
+#else
   const int kNThreads = 100;
+#endif
   v8::Isolate* isolate1 = v8::Isolate::New();
   v8::Isolate* isolate2 = v8::Isolate::New();
   i::List<JoinableThread*> threads(kNThreads);
   for (int i = 0; i < kNThreads; i++) {
     threads.Add(new SeparateIsolatesLocksNonexclusiveThread(isolate1,
                                                              isolate2));
   }
   StartJoinAndDeleteThreads(threads);
   isolate2->Dispose();
   isolate1->Dispose();
@@ skipping 48 matching lines @@
       v8::Context::Scope context_scope(context);
       CalcFibAndCheck();
     }
   }
  private:
   v8::Isolate* isolate_;
 };
 
 // Use unlocker inside of a Locker, multiple threads.
 TEST(LockerUnlocker) {
+#ifdef V8_TARGET_ARCH_ARM
+  const int kNThreads = 50;
+#else
   const int kNThreads = 100;
+#endif
   i::List<JoinableThread*> threads(kNThreads);
   v8::Isolate* isolate = v8::Isolate::New();
   for (int i = 0; i < kNThreads; i++) {
     threads.Add(new LockerUnlockerThread(isolate));
   }
   StartJoinAndDeleteThreads(threads);
   isolate->Dispose();
 }
 
 class LockTwiceAndUnlockThread : public JoinableThread {
@@ skipping 27 matching lines @@
       v8::Context::Scope context_scope(context);
       CalcFibAndCheck();
     }
   }
  private:
   v8::Isolate* isolate_;
 };
 
 // Use Unlocker inside two Lockers.
 TEST(LockTwiceAndUnlock) {
+#ifdef V8_TARGET_ARCH_ARM
+  const int kNThreads = 50;
+#else
   const int kNThreads = 100;
+#endif
   i::List<JoinableThread*> threads(kNThreads);
   v8::Isolate* isolate = v8::Isolate::New();
   for (int i = 0; i < kNThreads; i++) {
     threads.Add(new LockTwiceAndUnlockThread(isolate));
   }
   StartJoinAndDeleteThreads(threads);
   isolate->Dispose();
 }
 
 class LockAndUnlockDifferentIsolatesThread : public JoinableThread {
@@ skipping 155 matching lines @@
     v8::Locker locker_;
     v8::HandleScope handle_scope;
     context = v8::Context::New();
   }
   i::List<JoinableThread*> threads(kNThreads);
   for (int i = 0; i < kNThreads; i++) {
     threads.Add(new LockUnlockLockDefaultIsolateThread(context));
   }
   StartJoinAndDeleteThreads(threads);
 }
+
+
+TEST(Regress1433) {
+  for (int i = 0; i < 10; i++) {
+    v8::Isolate* isolate = v8::Isolate::New();
+    {
+      v8::Locker lock(isolate);
+      v8::Isolate::Scope isolate_scope(isolate);
+      v8::HandleScope handle_scope;
+      v8::Persistent<Context> context = v8::Context::New();
+      v8::Context::Scope context_scope(context);
+      v8::Handle<String> source = v8::String::New("1+1");
+      v8::Handle<Script> script = v8::Script::Compile(source);
+      v8::Handle<Value> result = script->Run();
+      v8::String::AsciiValue ascii(result);
+      context.Dispose();
+    }
+    isolate->Dispose();
+  }
+}