Expose a lower bound of malloc'd memory via heap statistics

test/cctest/interpreter/test-interpreter.cc

 // Copyright 2015 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.
 
 #include "src/v8.h"
 
 #include "src/execution.h"
 #include "src/handles.h"
 #include "src/interpreter/bytecode-array-builder.h"
 #include "src/interpreter/interpreter.h"
@@ skipping 560 matching lines @@
   Handle<i::Object> global_obj =
       Object::GetProperty(isolate->global_object(), name).ToHandleChecked();
   CHECK_EQ(Smi::cast(*global_obj), Smi::FromInt(999));
 }
 
 
 TEST(InterpreterLoadNamedProperty) {
   HandleAndZoneScope handles;
   i::Isolate* isolate = handles.main_isolate();
   i::Factory* factory = isolate->factory();
-  i::Zone zone;
+  i::Zone zone(isolate->allocator());
 
   i::FeedbackVectorSpec feedback_spec(&zone);
   i::FeedbackVectorSlot slot = feedback_spec.AddLoadICSlot();
 
   Handle<i::TypeFeedbackVector> vector =
       i::NewTypeFeedbackVector(isolate, &feedback_spec);
 
   Handle<i::String> name = factory->NewStringFromAsciiChecked("val");
   name = factory->string_table()->LookupString(isolate, name);
 
@@ skipping 32 matching lines @@
       InterpreterTester::NewObject("({ val : 789, val4 : 123 })");
   return_val = callable(object5).ToHandleChecked();
   CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(789));
 }
 
 
 TEST(InterpreterLoadKeyedProperty) {
   HandleAndZoneScope handles;
   i::Isolate* isolate = handles.main_isolate();
   i::Factory* factory = isolate->factory();
-  i::Zone zone;
+  i::Zone zone(isolate->allocator());
 
   i::FeedbackVectorSpec feedback_spec(&zone);
   i::FeedbackVectorSlot slot = feedback_spec.AddKeyedLoadICSlot();
 
   Handle<i::TypeFeedbackVector> vector =
       i::NewTypeFeedbackVector(isolate, &feedback_spec);
 
   Handle<i::String> key = factory->NewStringFromAsciiChecked("key");
   key = factory->string_table()->LookupString(isolate, key);
 
@@ skipping 21 matching lines @@
       InterpreterTester::NewObject("({ key : 789, val2 : 123 })");
   return_val = callable(object3).ToHandleChecked();
   CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(789));
 }
 
 
 TEST(InterpreterStoreNamedProperty) {
   HandleAndZoneScope handles;
   i::Isolate* isolate = handles.main_isolate();
   i::Factory* factory = isolate->factory();
-  i::Zone zone;
+  i::Zone zone(isolate->allocator());
 
   i::FeedbackVectorSpec feedback_spec(&zone);
   i::FeedbackVectorSlot slot = feedback_spec.AddStoreICSlot();
 
   Handle<i::TypeFeedbackVector> vector =
       i::NewTypeFeedbackVector(isolate, &feedback_spec);
 
   Handle<i::String> name = factory->NewStringFromAsciiChecked("val");
   name = factory->string_table()->LookupString(isolate, name);
 
@@ skipping 38 matching lines @@
   callable(object5).ToHandleChecked();
   CHECK(Runtime::GetObjectProperty(isolate, object5, name).ToHandle(&result));
   CHECK_EQ(Smi::cast(*result), Smi::FromInt(999));
 }
 
 
 TEST(InterpreterStoreKeyedProperty) {
   HandleAndZoneScope handles;
   i::Isolate* isolate = handles.main_isolate();
   i::Factory* factory = isolate->factory();
-  i::Zone zone;
+  i::Zone zone(isolate->allocator());
 
   i::FeedbackVectorSpec feedback_spec(&zone);
   i::FeedbackVectorSlot slot = feedback_spec.AddKeyedStoreICSlot();
 
   Handle<i::TypeFeedbackVector> vector =
       i::NewTypeFeedbackVector(isolate, &feedback_spec);
 
   Handle<i::String> name = factory->NewStringFromAsciiChecked("val");
   name = factory->string_table()->LookupString(isolate, name);
 
@@ skipping 26 matching lines @@
       InterpreterTester::NewObject("({ val : 456, other : 123 })");
   callable(object2).ToHandleChecked();
   CHECK(Runtime::GetObjectProperty(isolate, object2, name).ToHandle(&result));
   CHECK_EQ(Smi::cast(*result), Smi::FromInt(999));
 }
 
 static void TestInterpreterCall(TailCallMode tail_call_mode) {
   HandleAndZoneScope handles;
   i::Isolate* isolate = handles.main_isolate();
   i::Factory* factory = isolate->factory();
-  i::Zone zone;
+  i::Zone zone(isolate->allocator());
 
   i::FeedbackVectorSpec feedback_spec(&zone);
   i::FeedbackVectorSlot slot = feedback_spec.AddLoadICSlot();
 
   Handle<i::TypeFeedbackVector> vector =
       i::NewTypeFeedbackVector(isolate, &feedback_spec);
   int slot_index = vector->GetIndex(slot);
 
   Handle<i::String> name = factory->NewStringFromAsciiChecked("func");
   name = factory->string_table()->LookupString(isolate, name);
@@ skipping 3256 matching lines @@
     v8::Local<v8::String> expected_string = v8_str(const_decl[i].second);
     CHECK(
         message->Equals(CcTest::isolate()->GetCurrentContext(), expected_string)
             .FromJust());
   }
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8