Remove runtime zone.

src/isolate.h

Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index 61a064118099c85f2cf1f01113b9891aa51405de..790193fcbfb0db5b0f065400e78cc83dec85c5b0 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -885,7 +885,6 @@ class Isolate {
     DCHECK(handle_scope_implementer_);
     return handle_scope_implementer_;
   }
-  Zone* runtime_zone() { return runtime_zone_; }
 
   UnicodeCache* unicode_cache() {
     return unicode_cache_;
@@ -1150,6 +1149,8 @@ class Isolate {
 
   AccountingAllocator* allocator() { return allocator_; }
 
+  List<int>* regex_list() { return &regex_indices_; }
+
   bool IsInAnyContext(Object* object, uint32_t index);
 
   void SetRAILMode(RAILMode rail_mode);
@@ -1325,7 +1326,6 @@ class Isolate {
   HandleScopeImplementer* handle_scope_implementer_;
   UnicodeCache* unicode_cache_;
   AccountingAllocator* allocator_;
-  Zone* runtime_zone_;
   InnerPointerToCodeCache* inner_pointer_to_code_cache_;
   GlobalHandles* global_handles_;
   EternalHandles* eternal_handles_;
@@ -1342,6 +1342,7 @@ class Isolate {
   CallInterfaceDescriptorData* call_descriptor_data_;
   base::RandomNumberGenerator* random_number_generator_;
   base::AtomicValue<RAILMode> rail_mode_;
+  List<int> regex_indices_;

[jgruber, 2016/09/30 09:46:23]

Nit: 'regexp' here and above, and please move this just below regexp_stack.

 
   // Whether the isolate has been created for snapshotting.
   bool serializer_enabled_;