Get rid of distinction between below- and above-watermark in page allocation....

test/cctest/test-api.cc

 // Copyright 2007-2009 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 376 matching lines @@
     LocalContext env;
     TestResource* resource = new TestResource(two_byte_source);
     Local<String> source = String::NewExternal(resource);
     Local<Script> script = Script::Compile(source);
     Local<Value> value = script->Run();
     CHECK(value->IsNumber());
     CHECK_EQ(7, value->Int32Value());
     CHECK(source->IsExternal());
     CHECK_EQ(resource,
              static_cast<TestResource*>(source->GetExternalStringResource()));
-    i::Heap::CollectAllGarbage(false);
+    i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
     CHECK_EQ(0, TestResource::dispose_count);
   }
   i::CompilationCache::Clear();
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(1, TestResource::dispose_count);
 }
 
 
 THREADED_TEST(ScriptUsingAsciiStringResource) {
   TestAsciiResource::dispose_count = 0;
   const char* c_source = "1 + 2 * 3";
   {
     v8::HandleScope scope;
     LocalContext env;
     Local<String> source =
         String::NewExternal(new TestAsciiResource(i::StrDup(c_source)));
     Local<Script> script = Script::Compile(source);
     Local<Value> value = script->Run();
     CHECK(value->IsNumber());
     CHECK_EQ(7, value->Int32Value());
-    i::Heap::CollectAllGarbage(false);
+    i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
     CHECK_EQ(0, TestAsciiResource::dispose_count);
   }
   i::CompilationCache::Clear();
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(1, TestAsciiResource::dispose_count);
 }
 
 
 THREADED_TEST(ScriptMakingExternalString) {
   TestResource::dispose_count = 0;
   uint16_t* two_byte_source = AsciiToTwoByteString("1 + 2 * 3");
   {
     v8::HandleScope scope;
     LocalContext env;
     Local<String> source = String::New(two_byte_source);
     // Trigger GCs so that the newly allocated string moves to old gen.
     i::Heap::CollectGarbage(i::NEW_SPACE);  // in survivor space now
     i::Heap::CollectGarbage(i::NEW_SPACE);  // in old gen now
     bool success = source->MakeExternal(new TestResource(two_byte_source));
     CHECK(success);
     Local<Script> script = Script::Compile(source);
     Local<Value> value = script->Run();
     CHECK(value->IsNumber());
     CHECK_EQ(7, value->Int32Value());
-    i::Heap::CollectAllGarbage(false);
+    i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
     CHECK_EQ(0, TestResource::dispose_count);
   }
   i::CompilationCache::Clear();
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(1, TestResource::dispose_count);
 }
 
 
 THREADED_TEST(ScriptMakingExternalAsciiString) {
   TestAsciiResource::dispose_count = 0;
   const char* c_source = "1 + 2 * 3";
   {
     v8::HandleScope scope;
     LocalContext env;
     Local<String> source = v8_str(c_source);
     // Trigger GCs so that the newly allocated string moves to old gen.
     i::Heap::CollectGarbage(i::NEW_SPACE);  // in survivor space now
     i::Heap::CollectGarbage(i::NEW_SPACE);  // in old gen now
     bool success = source->MakeExternal(
         new TestAsciiResource(i::StrDup(c_source)));
     CHECK(success);
     Local<Script> script = Script::Compile(source);
     Local<Value> value = script->Run();
     CHECK(value->IsNumber());
     CHECK_EQ(7, value->Int32Value());
-    i::Heap::CollectAllGarbage(false);
+    i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
     CHECK_EQ(0, TestAsciiResource::dispose_count);
   }
   i::CompilationCache::Clear();
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(1, TestAsciiResource::dispose_count);
 }
 
 
 TEST(MakingExternalStringConditions) {
   v8::HandleScope scope;
   LocalContext env;
 
   // Free some space in the new space so that we can check freshness.
   i::Heap::CollectGarbage(i::NEW_SPACE);
@@ skipping 80 matching lines @@
     uint16_t* two_byte_string = AsciiToTwoByteString("test string");
     Local<String> string =
         String::NewExternal(new TestResource(two_byte_string));
     i::Handle<i::String> istring = v8::Utils::OpenHandle(*string);
     // Trigger GCs so that the newly allocated string moves to old gen.
     i::Heap::CollectGarbage(i::NEW_SPACE);  // in survivor space now
     i::Heap::CollectGarbage(i::NEW_SPACE);  // in old gen now
     i::Handle<i::String> isymbol = i::Factory::SymbolFromString(istring);
     CHECK(isymbol->IsSymbol());
   }
-  i::Heap::CollectAllGarbage(false);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
 }
 
 
 THREADED_TEST(UsingExternalAsciiString) {
   {
     v8::HandleScope scope;
     const char* one_byte_string = "test string";
     Local<String> string = String::NewExternal(
         new TestAsciiResource(i::StrDup(one_byte_string)));
     i::Handle<i::String> istring = v8::Utils::OpenHandle(*string);
     // Trigger GCs so that the newly allocated string moves to old gen.
     i::Heap::CollectGarbage(i::NEW_SPACE);  // in survivor space now
     i::Heap::CollectGarbage(i::NEW_SPACE);  // in old gen now
     i::Handle<i::String> isymbol = i::Factory::SymbolFromString(istring);
     CHECK(isymbol->IsSymbol());
   }
-  i::Heap::CollectAllGarbage(false);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
 }
 
 
 THREADED_TEST(ScavengeExternalString) {
   TestResource::dispose_count = 0;
   bool in_new_space = false;
   {
     v8::HandleScope scope;
     uint16_t* two_byte_string = AsciiToTwoByteString("test string");
     Local<String> string =
@@ skipping 56 matching lines @@
   TestAsciiResourceWithDisposeControl::dispose_calls = 0;
   TestAsciiResourceWithDisposeControl res_stack(i::StrDup(c_source), false);
   {
     v8::HandleScope scope;
     LocalContext env;
     Local<String> source =  String::NewExternal(&res_stack);
     Local<Script> script = Script::Compile(source);
     Local<Value> value = script->Run();
     CHECK(value->IsNumber());
     CHECK_EQ(7, value->Int32Value());
-    i::Heap::CollectAllGarbage(false);
+    i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
     CHECK_EQ(0, TestAsciiResource::dispose_count);
   }
   i::CompilationCache::Clear();
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(1, TestAsciiResourceWithDisposeControl::dispose_calls);
   CHECK_EQ(0, TestAsciiResource::dispose_count);
 
   // Use a heap allocated external string resource allocated object.
   TestAsciiResource::dispose_count = 0;
   TestAsciiResourceWithDisposeControl::dispose_calls = 0;
   TestAsciiResource* res_heap =
       new TestAsciiResourceWithDisposeControl(i::StrDup(c_source), true);
   {
     v8::HandleScope scope;
     LocalContext env;
     Local<String> source =  String::NewExternal(res_heap);
     Local<Script> script = Script::Compile(source);
     Local<Value> value = script->Run();
     CHECK(value->IsNumber());
     CHECK_EQ(7, value->Int32Value());
-    i::Heap::CollectAllGarbage(false);
+    i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
     CHECK_EQ(0, TestAsciiResource::dispose_count);
   }
   i::CompilationCache::Clear();
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(1, TestAsciiResourceWithDisposeControl::dispose_calls);
   CHECK_EQ(1, TestAsciiResource::dispose_count);
 }
 
 
 THREADED_TEST(StringConcat) {
   {
     v8::HandleScope scope;
     LocalContext env;
     const char* one_byte_string_1 = "function a_times_t";
@@ skipping 26 matching lines @@
     source = String::Concat(source, right);
     right = String::NewExternal(
         new TestResource(AsciiToTwoByteString(two_byte_extern_2)));
     source = String::Concat(source, right);
     Local<Script> script = Script::Compile(source);
     Local<Value> value = script->Run();
     CHECK(value->IsNumber());
     CHECK_EQ(68, value->Int32Value());
   }
   i::CompilationCache::Clear();
-  i::Heap::CollectAllGarbage(false);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
 }
 
 
 THREADED_TEST(GlobalProperties) {
   v8::HandleScope scope;
   LocalContext env;
   v8::Handle<v8::Object> global = env->Global();
   global->Set(v8_str("pi"), v8_num(3.1415926));
   Local<Value> pi = global->Get(v8_str("pi"));
   CHECK_EQ(3.1415926, pi->NumberValue());
@@ skipping 814 matching lines @@
 
   char* data = new char[100];
 
   void* aligned = data;
   CHECK_EQ(0, static_cast<int>(reinterpret_cast<uintptr_t>(aligned) & 0x1));
   void* unaligned = data + 1;
   CHECK_EQ(1, static_cast<int>(reinterpret_cast<uintptr_t>(unaligned) & 0x1));
 
   // Check reading and writing aligned pointers.
   obj->SetPointerInInternalField(0, aligned);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(aligned, obj->GetPointerFromInternalField(0));
 
   // Check reading and writing unaligned pointers.
   obj->SetPointerInInternalField(0, unaligned);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(unaligned, obj->GetPointerFromInternalField(0));
 
   delete[] data;
 }
 
 
 THREADED_TEST(InternalFieldsNativePointersAndExternal) {
   v8::HandleScope scope;
   LocalContext env;
 
   Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New();
   Local<v8::ObjectTemplate> instance_templ = templ->InstanceTemplate();
   instance_templ->SetInternalFieldCount(1);
   Local<v8::Object> obj = templ->GetFunction()->NewInstance();
   CHECK_EQ(1, obj->InternalFieldCount());
   CHECK(obj->GetPointerFromInternalField(0) == NULL);
 
   char* data = new char[100];
 
   void* aligned = data;
   CHECK_EQ(0, static_cast<int>(reinterpret_cast<uintptr_t>(aligned) & 0x1));
   void* unaligned = data + 1;
   CHECK_EQ(1, static_cast<int>(reinterpret_cast<uintptr_t>(unaligned) & 0x1));
 
   obj->SetPointerInInternalField(0, aligned);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(aligned, v8::External::Unwrap(obj->GetInternalField(0)));
 
   obj->SetPointerInInternalField(0, unaligned);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(unaligned, v8::External::Unwrap(obj->GetInternalField(0)));
 
   obj->SetInternalField(0, v8::External::Wrap(aligned));
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(aligned, obj->GetPointerFromInternalField(0));
 
   obj->SetInternalField(0, v8::External::Wrap(unaligned));
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(unaligned, obj->GetPointerFromInternalField(0));
 
   delete[] data;
 }
 
 
 THREADED_TEST(IdentityHash) {
   v8::HandleScope scope;
   LocalContext env;
 
   // Ensure that the test starts with an fresh heap to test whether the hash
   // code is based on the address.
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   Local<v8::Object> obj = v8::Object::New();
   int hash = obj->GetIdentityHash();
   int hash1 = obj->GetIdentityHash();
   CHECK_EQ(hash, hash1);
   int hash2 = v8::Object::New()->GetIdentityHash();
   // Since the identity hash is essentially a random number two consecutive
   // objects should not be assigned the same hash code. If the test below fails
   // the random number generator should be evaluated.
   CHECK_NE(hash, hash2);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   int hash3 = v8::Object::New()->GetIdentityHash();
   // Make sure that the identity hash is not based on the initial address of
   // the object alone. If the test below fails the random number generator
   // should be evaluated.
   CHECK_NE(hash, hash3);
   int hash4 = obj->GetIdentityHash();
   CHECK_EQ(hash, hash4);
 
   // Check identity hashes behaviour in the presence of JS accessors.
   // Put a getter for 'v8::IdentityHash' on the Object's prototype:
@@ skipping 16 matching lines @@
 
 THREADED_TEST(HiddenProperties) {
   v8::HandleScope scope;
   LocalContext env;
 
   v8::Local<v8::Object> obj = v8::Object::New();
   v8::Local<v8::String> key = v8_str("api-test::hidden-key");
   v8::Local<v8::String> empty = v8_str("");
   v8::Local<v8::String> prop_name = v8_str("prop_name");
 
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
 
   // Make sure delete of a non-existent hidden value works
   CHECK(obj->DeleteHiddenValue(key));
 
   CHECK(obj->SetHiddenValue(key, v8::Integer::New(1503)));
   CHECK_EQ(1503, obj->GetHiddenValue(key)->Int32Value());
   CHECK(obj->SetHiddenValue(key, v8::Integer::New(2002)));
   CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
 
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
 
   // Make sure we do not find the hidden property.
   CHECK(!obj->Has(empty));
   CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
   CHECK(obj->Get(empty)->IsUndefined());
   CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
   CHECK(obj->Set(empty, v8::Integer::New(2003)));
   CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
   CHECK_EQ(2003, obj->Get(empty)->Int32Value());
 
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
 
   // Add another property and delete it afterwards to force the object in
   // slow case.
   CHECK(obj->Set(prop_name, v8::Integer::New(2008)));
   CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
   CHECK_EQ(2008, obj->Get(prop_name)->Int32Value());
   CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
   CHECK(obj->Delete(prop_name));
   CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
 
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
 
   CHECK(obj->DeleteHiddenValue(key));
   CHECK(obj->GetHiddenValue(key).IsEmpty());
 }
 
 
 static bool interceptor_for_hidden_properties_called;
 static v8::Handle<Value> InterceptorForHiddenProperties(
     Local<String> name, const AccessorInfo& info) {
   interceptor_for_hidden_properties_called = true;
@@ skipping 2476 matching lines @@
     object_b = v8::Persistent<v8::Object>::New(v8::Object::New());
     object_a = v8::Persistent<v8::Object>::New(v8::Object::New());
   }
 
   bool object_a_disposed = false;
   object_a.MakeWeak(&object_a_disposed, &ForceScavenge);
   bool released_in_scavenge = false;
   object_b.MakeWeak(&released_in_scavenge, &CheckIsNotInvokedInScavenge);
 
   while (!object_a_disposed) {
-    i::Heap::CollectAllGarbage(false);
+    i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   }
   CHECK(!released_in_scavenge);
 }
 
 
 v8::Handle<Function> args_fun;
 
 
 static v8::Handle<Value> ArgumentsTestCallback(const v8::Arguments& args) {
   ApiTestFuzzer::Fuzz();
   CHECK_EQ(args_fun, args.Callee());
   CHECK_EQ(3, args.Length());
   CHECK_EQ(v8::Integer::New(1), args[0]);
   CHECK_EQ(v8::Integer::New(2), args[1]);
   CHECK_EQ(v8::Integer::New(3), args[2]);
   CHECK_EQ(v8::Undefined(), args[3]);
   v8::HandleScope scope;
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   return v8::Undefined();
 }
 
 
 THREADED_TEST(Arguments) {
   v8::HandleScope scope;
   v8::Handle<v8::ObjectTemplate> global = ObjectTemplate::New();
   global->Set(v8_str("f"), v8::FunctionTemplate::New(ArgumentsTestCallback));
   LocalContext context(NULL, global);
   args_fun = context->Global()->Get(v8_str("f")).As<Function>();
@@ skipping 2561 matching lines @@
       "var p = new constructor();"
       "p.hasOwnProperty('ostehaps');");
   CHECK_EQ(false, value->BooleanValue());
 }
 
 
 static v8::Handle<Value> InterceptorHasOwnPropertyGetterGC(
     Local<String> name,
     const AccessorInfo& info) {
   ApiTestFuzzer::Fuzz();
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   return v8::Handle<Value>();
 }
 
 
 THREADED_TEST(InterceptorHasOwnPropertyCausingGC) {
   v8::HandleScope scope;
   LocalContext context;
   Local<v8::FunctionTemplate> fun_templ = v8::FunctionTemplate::New();
   Local<v8::ObjectTemplate> instance_templ = fun_templ->InstanceTemplate();
   instance_templ->SetNamedPropertyHandler(InterceptorHasOwnPropertyGetterGC);
@@ skipping 709 matching lines @@
     "};");
   CHECK_EQ(239 * 10, value->Int32Value());
 }
 
 static v8::Handle<Value> InterceptorCallICFastApi(Local<String> name,
                                                   const AccessorInfo& info) {
   ApiTestFuzzer::Fuzz();
   int* call_count = reinterpret_cast<int*>(v8::External::Unwrap(info.Data()));
   ++(*call_count);
   if ((*call_count) % 20 == 0) {
-    i::Heap::CollectAllGarbage(true);
+    i::Heap::CollectAllGarbage(i::Heap::kForceCompactionMask);
   }
   return v8::Handle<Value>();
 }
 
 static v8::Handle<Value> FastApiCallback_TrivialSignature(
     const v8::Arguments& args) {
   ApiTestFuzzer::Fuzz();
   CHECK_EQ(args.This(), args.Holder());
   CHECK(args.Data()->Equals(v8_str("method_data")));
   return v8::Integer::New(args[0]->Int32Value() + 1);
@@ skipping 1146 matching lines @@
     Local<Script> script = v8_compile("(function () {"
                                       "  unlock_for_a_moment();"
                                       "  return 42;"
                                       "})();");
     CHECK_EQ(42, script->Run()->Int32Value());
   }
 }
 
 
 static int GetGlobalObjectsCount() {
+  i::Heap::EnsureHeapIsIterable();
   int count = 0;
   i::HeapIterator it;
-  for (i::HeapObject* object = it.next(); object != NULL; object = it.next())
+  for (i::HeapObject* object = it.Next(); object != NULL; object = it.Next())
     if (object->IsJSGlobalObject()) count++;
   return count;
 }
 
 
 static void CheckSurvivingGlobalObjectsCount(int expected) {
   // We need to collect all garbage twice to be sure that everything
   // has been collected.  This is because inline caches are cleared in
   // the first garbage collection but some of the maps have already
   // been marked at that point.  Therefore some of the maps are not
   // collected until the second garbage collection.
-  i::Heap::CollectAllGarbage(false);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
+  i::Heap::CollectAllGarbage(i::Heap::kSweepPreciselyMask);
   int count = GetGlobalObjectsCount();
 #ifdef DEBUG
   if (count != expected) i::Heap::TracePathToGlobal();
 #endif
   CHECK_EQ(expected, count);
 }
 
 
 TEST(DontLeakGlobalObjects) {
   // Regression test for issues 1139850 and 1174891.
@@ skipping 48 matching lines @@
     some_object = v8::Persistent<v8::Object>::New(v8::Object::New());
     handle1 = v8::Persistent<v8::Object>::New(v8::Object::New());
     handle2 = v8::Persistent<v8::Object>::New(v8::Object::New());
   }
   // Note: order is implementation dependent alas: currently
   // global handle nodes are processed by PostGarbageCollectionProcessing
   // in reverse allocation order, so if second allocated handle is deleted,
   // weak callback of the first handle would be able to 'reallocate' it.
   handle1.MakeWeak(NULL, NewPersistentHandleCallback);
   handle2.Dispose();
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
 }
 
 
 v8::Persistent<v8::Object> to_be_disposed;
 
 void DisposeAndForceGcCallback(v8::Persistent<v8::Value> handle, void*) {
   to_be_disposed.Dispose();
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   handle.Dispose();
 }
 
 
 THREADED_TEST(DoNotUseDeletedNodesInSecondLevelGc) {
   LocalContext context;
 
   v8::Persistent<v8::Object> handle1, handle2;
   {
     v8::HandleScope scope;
     handle1 = v8::Persistent<v8::Object>::New(v8::Object::New());
     handle2 = v8::Persistent<v8::Object>::New(v8::Object::New());
   }
   handle1.MakeWeak(NULL, DisposeAndForceGcCallback);
   to_be_disposed = handle2;
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
 }
 
 void DisposingCallback(v8::Persistent<v8::Value> handle, void*) {
   handle.Dispose();
 }
 
 void HandleCreatingCallback(v8::Persistent<v8::Value> handle, void*) {
   v8::HandleScope scope;
   v8::Persistent<v8::Object>::New(v8::Object::New());
   handle.Dispose();
 }
 
 
 THREADED_TEST(NoGlobalHandlesOrphaningDueToWeakCallback) {
   LocalContext context;
 
   v8::Persistent<v8::Object> handle1, handle2, handle3;
   {
     v8::HandleScope scope;
     handle3 = v8::Persistent<v8::Object>::New(v8::Object::New());
     handle2 = v8::Persistent<v8::Object>::New(v8::Object::New());
     handle1 = v8::Persistent<v8::Object>::New(v8::Object::New());
   }
   handle2.MakeWeak(NULL, DisposingCallback);
   handle3.MakeWeak(NULL, HandleCreatingCallback);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
 }
 
 
 THREADED_TEST(CheckForCrossContextObjectLiterals) {
   v8::V8::Initialize();
 
   const int nof = 2;
   const char* sources[nof] = {
     "try { [ 2, 3, 4 ].forEach(5); } catch(e) { e.toString(); }",
     "Object()"
@@ skipping 751 matching lines @@
    private:
      RegExpInterruptTest* test_;
   };
 
   void CollectGarbage() {
     block_->Wait();
     while (gc_during_regexp_ < kRequiredGCs) {
       {
         v8::Locker lock;
         // TODO(lrn): Perhaps create some garbage before collecting.
-        i::Heap::CollectAllGarbage(false);
+        i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
         gc_count_++;
       }
       i::OS::Sleep(1);
     }
     gc_success_ = true;
   }
 
   void LongRunningRegExp() {
     block_->Signal();  // Enable garbage collection thread on next preemption.
     int rounds = 0;
@@ skipping 100 matching lines @@
     }
    private:
      ApplyInterruptTest* test_;
   };
 
   void CollectGarbage() {
     block_->Wait();
     while (gc_during_apply_ < kRequiredGCs) {
       {
         v8::Locker lock;
-        i::Heap::CollectAllGarbage(false);
+        i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
         gc_count_++;
       }
       i::OS::Sleep(1);
     }
     gc_success_ = true;
   }
 
   void LongRunningApply() {
     block_->Signal();
     int rounds = 0;
@@ skipping 693 matching lines @@
 }
 
 
 THREADED_TEST(PixelArray) {
   v8::HandleScope scope;
   LocalContext context;
   const int kElementCount = 260;
   uint8_t* pixel_data = reinterpret_cast<uint8_t*>(malloc(kElementCount));
   i::Handle<i::PixelArray> pixels = i::Factory::NewPixelArray(kElementCount,
                                                               pixel_data);
-  i::Heap::CollectAllGarbage(false);  // Force GC to trigger verification.
+  // Force GC to trigger verification.
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   for (int i = 0; i < kElementCount; i++) {
     pixels->set(i, i % 256);
   }
-  i::Heap::CollectAllGarbage(false);  // Force GC to trigger verification.
+  // Force GC to trigger verification.
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   for (int i = 0; i < kElementCount; i++) {
     CHECK_EQ(i % 256, pixels->get(i));
     CHECK_EQ(i % 256, pixel_data[i]);
   }
 
   v8::Handle<v8::Object> obj = v8::Object::New();
   i::Handle<i::JSObject> jsobj = v8::Utils::OpenHandle(*obj);
   // Set the elements to be the pixels.
   // jsobj->set_elements(*pixels);
   obj->SetIndexedPropertiesToPixelData(pixel_data, kElementCount);
@@ skipping 376 matching lines @@
                                     int64_t high) {
   v8::HandleScope scope;
   LocalContext context;
   const int kElementCount = 40;
   int element_size = ExternalArrayElementSize(array_type);
   ElementType* array_data =
       static_cast<ElementType*>(malloc(kElementCount * element_size));
   i::Handle<ExternalArrayClass> array =
       i::Handle<ExternalArrayClass>::cast(
           i::Factory::NewExternalArray(kElementCount, array_type, array_data));
-  i::Heap::CollectAllGarbage(false);  // Force GC to trigger verification.
+  // Force GC to trigger verification.
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   for (int i = 0; i < kElementCount; i++) {
     array->set(i, static_cast<ElementType>(i));
   }
-  i::Heap::CollectAllGarbage(false);  // Force GC to trigger verification.
+  // Force GC to trigger verification.
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   for (int i = 0; i < kElementCount; i++) {
     CHECK_EQ(static_cast<int64_t>(i), static_cast<int64_t>(array->get(i)));
     CHECK_EQ(static_cast<int64_t>(i), static_cast<int64_t>(array_data[i]));
   }
 
   v8::Handle<v8::Object> obj = v8::Object::New();
   i::Handle<i::JSObject> jsobj = v8::Utils::OpenHandle(*obj);
   // Set the elements to be the external array.
   obj->SetIndexedPropertiesToExternalArrayData(array_data,
                                                array_type,
@@ skipping 96 matching lines @@
   result = CompileRun("var tmp_array = ext_array;"
                       "var sum = 0;"
                       "for (var i = 0; i < 8; i++) {"
                       "  tmp_array[i] = i;"
                       "  sum += tmp_array[i];"
                       "  if (i == 4) {"
                       "    tmp_array = {};"
                       "  }"
                       "}"
                       "sum;");
-  i::Heap::CollectAllGarbage(false);  // Force GC to trigger verification.
+  // Force GC to trigger verification.
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(28, result->Int32Value());
 
   // Make sure out-of-range loads do not throw.
   i::OS::SNPrintF(test_buf,
                   "var caught_exception = false;"
                   "try {"
                   "  ext_array[%d];"
                   "} catch (e) {"
                   "  caught_exception = true;"
                   "}"
@@ skipping 821 matching lines @@
     Local<v8::String> obj = v8::String::New("");
     context->SetData(obj);
     CompileRun(source_simple);
     context->Exit();
   }
   context.Dispose();
   for (gc_count = 1; gc_count < 10; gc_count++) {
     other_context->Enter();
     CompileRun(source_simple);
     other_context->Exit();
-    i::Heap::CollectAllGarbage(false);
+    i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
     if (GetGlobalObjectsCount() == 1) break;
   }
   CHECK_GE(2, gc_count);
   CHECK_EQ(1, GetGlobalObjectsCount());
 
   // Eval in a function creates reference from the compilation cache to the
   // global object.
   const char* source_eval = "function f(){eval('1')}; f()";
   context = Context::New();
   {
     v8::HandleScope scope;
 
     context->Enter();
     CompileRun(source_eval);
     context->Exit();
   }
   context.Dispose();
   for (gc_count = 1; gc_count < 10; gc_count++) {
     other_context->Enter();
     CompileRun(source_eval);
     other_context->Exit();
-    i::Heap::CollectAllGarbage(false);
+    i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
     if (GetGlobalObjectsCount() == 1) break;
   }
   CHECK_GE(2, gc_count);
   CHECK_EQ(1, GetGlobalObjectsCount());
 
   // Looking up the line number for an exception creates reference from the
   // compilation cache to the global object.
   const char* source_exception = "function f(){throw 1;} f()";
   context = Context::New();
   {
     v8::HandleScope scope;
 
     context->Enter();
     v8::TryCatch try_catch;
     CompileRun(source_exception);
     CHECK(try_catch.HasCaught());
     v8::Handle<v8::Message> message = try_catch.Message();
     CHECK(!message.IsEmpty());
     CHECK_EQ(1, message->GetLineNumber());
     context->Exit();
   }
   context.Dispose();
   for (gc_count = 1; gc_count < 10; gc_count++) {
     other_context->Enter();
     CompileRun(source_exception);
     other_context->Exit();
-    i::Heap::CollectAllGarbage(false);
+    i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
     if (GetGlobalObjectsCount() == 1) break;
   }
   CHECK_GE(2, gc_count);
   CHECK_EQ(1, GetGlobalObjectsCount());
 
   other_context.Dispose();
 }
 
 
 THREADED_TEST(ScriptOrigin) {
@@ skipping 197 matching lines @@
   ++epilogue_call_count_second;
 }
 
 TEST(GCCallbacks) {
   LocalContext context;
 
   v8::V8::AddGCPrologueCallback(PrologueCallback);
   v8::V8::AddGCEpilogueCallback(EpilogueCallback);
   CHECK_EQ(0, prologue_call_count);
   CHECK_EQ(0, epilogue_call_count);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(1, prologue_call_count);
   CHECK_EQ(1, epilogue_call_count);
   v8::V8::AddGCPrologueCallback(PrologueCallbackSecond);
   v8::V8::AddGCEpilogueCallback(EpilogueCallbackSecond);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(2, prologue_call_count);
   CHECK_EQ(2, epilogue_call_count);
   CHECK_EQ(1, prologue_call_count_second);
   CHECK_EQ(1, epilogue_call_count_second);
   v8::V8::RemoveGCPrologueCallback(PrologueCallback);
   v8::V8::RemoveGCEpilogueCallback(EpilogueCallback);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(2, prologue_call_count);
   CHECK_EQ(2, epilogue_call_count);
   CHECK_EQ(2, prologue_call_count_second);
   CHECK_EQ(2, epilogue_call_count_second);
   v8::V8::RemoveGCPrologueCallback(PrologueCallbackSecond);
   v8::V8::RemoveGCEpilogueCallback(EpilogueCallbackSecond);
-  i::Heap::CollectAllGarbage(false);
+  i::Heap::CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(2, prologue_call_count);
   CHECK_EQ(2, epilogue_call_count);
   CHECK_EQ(2, prologue_call_count_second);
   CHECK_EQ(2, epilogue_call_count_second);
 }
 
 
 THREADED_TEST(AddToJSFunctionResultCache) {
   i::FLAG_allow_natives_syntax = true;
   v8::HandleScope scope;
@@ skipping 189 matching lines @@
 
   reresult = CompileRun("str2.charCodeAt(2);");
   CHECK_EQ(static_cast<int32_t>('e'), reresult->Int32Value());
 }
 
 
 // Failed access check callback that performs a GC on each invocation.
 void FailedAccessCheckCallbackGC(Local<v8::Object> target,
                                  v8::AccessType type,
                                  Local<v8::Value> data) {
-  i::Heap::CollectAllGarbage(true);
+  i::Heap::CollectAllGarbage(i::Heap::kForceCompactionMask);
 }
 
 
 TEST(GCInFailedAccessCheckCallback) {
   // Install a failed access check callback that performs a GC on each
   // invocation. Then force the callback to be called from va
 
   v8::V8::Initialize();
   v8::V8::SetFailedAccessCheckCallbackFunction(&FailedAccessCheckCallbackGC);
 
@@ skipping 163 matching lines @@
     ExpectBoolean("delete cell", true);
     ExpectString("(function() {"
                  "  try {"
                  "    return readCell();"
                  "  } catch(e) {"
                  "    return e.toString();"
                  "  }"
                  "})()",
                  "ReferenceError: cell is not defined");
     CompileRun("cell = \"new_second\";");
-    i::Heap::CollectAllGarbage(true);
+    i::Heap::CollectAllGarbage(i::Heap::kForceCompactionMask);
     ExpectString("readCell()", "new_second");
     ExpectString("readCell()", "new_second");
   }
 }
 
 
 TEST(DontDeleteCellLoadICForceDelete) {
   const char* function_code =
       "function readCell() { while (true) { return cell; } }";
 
@@ skipping 210 matching lines @@
   v8::Handle<v8::Function> define_property =
       CompileRun("(function() {"
                  "  Object.defineProperty("
                  "    this,"
                  "    1,"
                  "    { configurable: true, enumerable: true, value: 3 });"
                  "})").As<Function>();
   context->DetachGlobal();
   define_property->Call(proxy, 0, NULL);
 }