Don't optimize away static field initialization when precompiling.

runtime/vm/compiler.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/compiler.h"
 
 #include "vm/assembler.h"
 
 #include "vm/ast_printer.h"
 #include "vm/block_scheduler.h"
@@ skipping 1290 matching lines @@
   ParsedFunction* parsed_function = Parser::ParseStaticFieldInitializer(field);
 
   parsed_function->AllocateVariables();
   // Non-optimized code generator.
   DartCompilationPipeline pipeline;
   CompileParsedFunctionHelper(&pipeline,
                               parsed_function,
                               false,  // optimized
                               Isolate::kNoDeoptId);
 
+  if (FLAG_disassemble) {

[hausner, 2015/09/10 22:55:12]

I think you should add the disassemble filter like in other places:
FlowGraphPrinter::ShouldPrint(...)

Actually, isn't the function already disassembled by
CompileParsedFunctionHelper?

[rmacnak, 2015/09/11 00:07:13]

Hm, yes. I guess I was missing them from my disassembly for other reasons.

+    DisassembleCode(parsed_function->function(), false);
+  }
+
   const Function& initializer = parsed_function->function();
   field.SetPrecompiledInitializer(initializer);
 }
 
 
 RawObject* Compiler::EvaluateStaticInitializer(const Field& field) {
   ASSERT(field.is_static());
   // The VM sets the field's value to transiton_sentinel prior to
   // evaluating the initializer value.
   ASSERT(field.StaticValue() == Object::transition_sentinel().raw());
@@ skipping 95 matching lines @@
     const Object& result =
       PassiveObject::Handle(isolate->object_store()->sticky_error());
     isolate->object_store()->clear_sticky_error();
     return result.raw();
   }
   UNREACHABLE();
   return Object::null();
 }
 
 }  // namespace dart