VM precompiler: Allow optimizing static initializers.

runtime/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/flags.h"
 
 #ifndef DART_PRECOMPILED_RUNTIME
 
 #include "lib/invocation_mirror.h"
@@ skipping 1238 matching lines @@
                     RawFunction::kImplicitStaticFinalGetter,
                     true,   // static
                     false,  // !const
                     false,  // !abstract
                     false,  // !external
                     false,  // !native
                     initializer_owner,
                     field.token_pos()));
   initializer.set_result_type(AbstractType::Handle(zone, field.type()));
   // Static initializer functions are hidden from the user.
-  // Since they are only executed once, we avoid optimizing
-  // and inlining them. After the field is initialized, the
-  // compiler can eliminate the call to the static initializer.
+  // Since they are only executed once, we avoid inlining them.
+  // After the field is initialized, the compiler can eliminate
+  // the call to the static initializer.
   initializer.set_is_reflectable(false);
   initializer.set_is_debuggable(false);
-  initializer.SetIsOptimizable(false);
   initializer.set_is_inlinable(false);
 
   ParsedFunction* parsed_function = new ParsedFunction(thread, initializer);
   Parser parser(script, parsed_function, field.token_pos());
 
   SequenceNode* body = parser.ParseStaticInitializer();
   parsed_function->SetNodeSequence(body);
 
   if (parsed_function->has_expression_temp_var()) {
     body->scope()->AddVariable(parsed_function->expression_temp_var());
@@ skipping 13210 matching lines @@
     const ArgumentListNode& function_args,
     const LocalVariable* temp_for_last_arg,
     bool is_super_invocation) {
   UNREACHABLE();
   return NULL;
 }
 
 }  // namespace dart
 
 #endif  // DART_PRECOMPILED_RUNTIME