Explicitly check for lazy parser when dealing with parser cache

src/parsing/parse-info.cc

 // Copyright 2016 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/parsing/parse-info.h"
 
 #include "src/ast/ast-value-factory.h"
 #include "src/ast/ast.h"
 
 namespace v8 {
@@ skipping 48 matching lines @@
   Handle<HeapObject> scope_info(shared->outer_scope_info());
   if (!scope_info->IsTheHole(isolate()) &&
       Handle<ScopeInfo>::cast(scope_info)->length() > 0) {
     set_outer_scope_info(Handle<ScopeInfo>::cast(scope_info));
   }
 }
 
 ParseInfo::ParseInfo(Zone* zone, Handle<Script> script) : ParseInfo(zone) {
   isolate_ = script->GetIsolate();
 
+  set_allow_lazy_parsing(String::cast(script->source())->length() >
+                         FLAG_min_preparse_length);
   set_toplevel();
   set_hash_seed(isolate_->heap()->HashSeed());
   set_stack_limit(isolate_->stack_guard()->real_climit());
   set_unicode_cache(isolate_->unicode_cache());
   set_script(script);
 
   set_native(script->type() == Script::TYPE_NATIVE);
   set_eval(script->compilation_type() == Script::COMPILATION_TYPE_EVAL);
 }
 
@@ skipping 25 matching lines @@
 }
 
 #ifdef DEBUG
 bool ParseInfo::script_is_native() const {
   return script_->type() == Script::TYPE_NATIVE;
 }
 #endif  // DEBUG
 
 }  // namespace internal
 }  // namespace v8