Improve function compilation times for swarm application startup.

vm/parser.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/parser.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/compiler_stats.h"
@@ skipping 544 matching lines @@
 }
 
 
 void Parser::ParseFunction(ParsedFunction* parsed_function) {
   Isolate* isolate = Isolate::Current();
   // Compilation can be nested, preserve the ast node id.
   const int prev_ast_node_id = isolate->ast_node_id();
   isolate->set_ast_node_id(0);
   ASSERT(parsed_function != NULL);
   const Function& func = parsed_function->function();
-  const Class& cls = Class::Handle(func.owner());
-  const Script& script = Script::Handle(cls.script());
+  const Class& cls = Class::Handle(isolate, func.owner());
+  const Script& script = Script::Handle(isolate, cls.script());
   Parser parser(script, func, func.token_index());
   if (FLAG_compiler_stats) {
     CompilerStats::parser_timer.Start();
   }
   SequenceNode* node_sequence = NULL;
-  Array& default_parameter_values = Array::Handle();
+  Array& default_parameter_values = Array::Handle(isolate, Array::null());
   switch (func.kind()) {
     case RawFunction::kFunction:
     case RawFunction::kClosureFunction:
     case RawFunction::kGetterFunction:
     case RawFunction::kSetterFunction:
     case RawFunction::kConstructor:
       node_sequence = parser.ParseFunc(func, default_parameter_values);
       break;
     case RawFunction::kImplicitGetter:
       ASSERT(!func.is_static());
@@ skipping 7160 matching lines @@
 }
 
 
 void Parser::SkipNestedExpr() {
   const bool saved_mode = SetAllowFunctionLiterals(true);
   SkipExpr();
   SetAllowFunctionLiterals(saved_mode);
 }
 
 }  // namespace dart