No need to collect literal counts.

src/factory.cc

 // Copyright 2014 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/factory.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/ast/ast.h"
 #include "src/base/bits.h"
@@ skipping 2333 matching lines @@
 
   Heap* heap = isolate()->heap();
   // Reinitialize the object from the constructor map.
   heap->InitializeJSObjectFromMap(*object, *properties, *map);
 
   // Restore the saved hash.
   object->set_hash(*hash);
 }
 
 Handle<SharedFunctionInfo> Factory::NewSharedFunctionInfo(
-    Handle<String> name, int number_of_literals, FunctionKind kind,
-    Handle<Code> code, Handle<ScopeInfo> scope_info) {
+    Handle<String> name, FunctionKind kind, Handle<Code> code,
+    Handle<ScopeInfo> scope_info) {
   DCHECK(IsValidFunctionKind(kind));
   Handle<SharedFunctionInfo> shared = NewSharedFunctionInfo(
       name, code, IsConstructable(kind, scope_info->language_mode()));
   shared->set_scope_info(*scope_info);
   shared->set_outer_scope_info(*the_hole_value());
   shared->set_kind(kind);
-  shared->set_num_literals(number_of_literals);
   if (IsGeneratorFunction(kind)) {
     shared->set_instance_class_name(isolate()->heap()->Generator_string());
   }
   return shared;
 }
 
 Handle<SharedFunctionInfo> Factory::NewSharedFunctionInfoForLiteral(
     FunctionLiteral* literal, Handle<Script> script) {
   Handle<Code> code = isolate()->builtins()->CompileLazy();
   Handle<ScopeInfo> scope_info(ScopeInfo::Empty(isolate()));
-  Handle<SharedFunctionInfo> result = NewSharedFunctionInfo(
-      literal->name(), literal->materialized_literal_count(), literal->kind(),
-      code, scope_info);
+  Handle<SharedFunctionInfo> result =
+      NewSharedFunctionInfo(literal->name(), literal->kind(), code, scope_info);
   SharedFunctionInfo::InitFromFunctionLiteral(result, literal);
   SharedFunctionInfo::SetScript(result, script);
   return result;
 }
 
 Handle<JSMessageObject> Factory::NewJSMessageObject(
     MessageTemplate::Template message, Handle<Object> argument,
     int start_position, int end_position, Handle<Object> script,
     Handle<Object> stack_frames) {
   Handle<Map> map = message_object_map();
@@ skipping 49 matching lines @@
   share->set_unique_id(isolate()->GetNextUniqueSharedFunctionInfoId());
 #endif
   share->set_profiler_ticks(0);
   share->set_ast_node_count(0);
   share->set_counters(0);
 
   // Set integer fields (smi or int, depending on the architecture).
   share->set_length(0);
   share->set_internal_formal_parameter_count(0);
   share->set_expected_nof_properties(0);
-  share->set_num_literals(0);
   share->set_start_position_and_type(0);
   share->set_end_position(0);
   share->set_function_token_position(0);
   // All compiler hints default to false or 0.
   share->set_compiler_hints(0);
   share->set_opt_count_and_bailout_reason(0);
 
   // Link into the list.
   Handle<Object> new_noscript_list =
       WeakFixedArray::Add(noscript_shared_function_infos(), share);
@@ skipping 409 matching lines @@
     Handle<AccessorInfo> prototype =
         Accessors::FunctionPrototypeInfo(isolate(), rw_attribs);
     Descriptor d = Descriptor::AccessorConstant(
         Handle<Name>(Name::cast(prototype->name())), prototype, rw_attribs);
     map->AppendDescriptor(&d);
   }
 }
 
 }  // namespace internal
 }  // namespace v8