Cache compile-time constants on the script object, sometimes.

runtime/vm/object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/become.h"
@@ skipping 8669 matching lines @@
 RawString* Script::GenerateSource() const {
   const TokenStream& token_stream = TokenStream::Handle(tokens());
   if (token_stream.IsNull()) {
     ASSERT(Dart::snapshot_kind() == Snapshot::kAppNoJIT);
     return String::null();
   }
   return token_stream.GenerateSource();
 }
 
 
+void Script::set_compile_time_constants(const Array& value) const {
+  StorePointer(&raw_ptr()->compile_time_constants_, value.raw());
+}
+
+
 RawGrowableObjectArray* Script::GenerateLineNumberArray() const {
   Zone* zone = Thread::Current()->zone();
   const GrowableObjectArray& info =
       GrowableObjectArray::Handle(zone, GrowableObjectArray::New());
   const String& source = String::Handle(zone, Source());
   const String& key = Symbols::Empty();
   const Object& line_separator = Object::Handle(zone);
   const TokenStream& tkns = TokenStream::Handle(zone, tokens());
   Smi& value = Smi::Handle(zone);
   String& tokenValue = String::Handle(zone);
@@ skipping 13968 matching lines @@
   return UserTag::null();
 }
 
 
 const char* UserTag::ToCString() const {
   const String& tag_label = String::Handle(label());
   return tag_label.ToCString();
 }
 
 }  // namespace dart