Reland "Keep a canonical list of shared function infos."

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/allocation-site-scopes.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/conversions.h"
@@ skipping 826 matching lines @@
   script->set_name(heap->undefined_value());
   script->set_id(isolate()->heap()->NextScriptId());
   script->set_line_offset(Smi::FromInt(0));
   script->set_column_offset(Smi::FromInt(0));
   script->set_context_data(heap->undefined_value());
   script->set_type(Smi::FromInt(Script::TYPE_NORMAL));
   script->set_wrapper(heap->undefined_value());
   script->set_line_ends(heap->undefined_value());
   script->set_eval_from_shared(heap->undefined_value());
   script->set_eval_from_instructions_offset(Smi::FromInt(0));
+  script->set_shared_function_infos(Smi::FromInt(0));
   script->set_flags(Smi::FromInt(0));
 
   return script;
 }
 
 
 Handle<Foreign> Factory::NewForeign(Address addr, PretenureFlag pretenure) {
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->AllocateForeign(addr, pretenure),
                      Foreign);
@@ skipping 1334 matching lines @@
   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);
 
+  share->set_never_compiled(!share->is_compiled());
   return share;
 }
 
 
 static inline int NumberCacheHash(Handle<FixedArray> cache,
                                   Handle<Object> number) {
   int mask = (cache->length() >> 1) - 1;
   if (number->IsSmi()) {
     return Handle<Smi>::cast(number)->value() & mask;
   } else {
@@ skipping 219 matching lines @@
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 }  // namespace internal
 }  // namespace v8