Improve compile time constant evaluation

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 1233 matching lines @@
     {
       HANDLESCOPE(thread);
       const int64_t num_tokens_before = STAT_VALUE(thread, num_tokens_consumed);
       pipeline->ParseFunction(parsed_function);
       const int64_t num_tokens_after = STAT_VALUE(thread, num_tokens_consumed);
       INC_STAT(thread,
                num_func_tokens_compiled,
                num_tokens_after - num_tokens_before);
     }
 
-
     CompileParsedFunctionHelper helper(parsed_function, optimized, osr_id);
 
     if (Compiler::IsBackgroundCompilation()) {
       if (isolate->IsTopLevelParsing() ||
               (loading_invalidation_gen_at_start !=
                isolate->loading_invalidation_gen())) {
         // Loading occured while parsing. We need to abort here because state
         // changed while compiling.
         Compiler::AbortBackgroundCompilation(Thread::kNoDeoptId,
             "Invalidated state during parsing because of script loading");
@@ skipping 914 matching lines @@
 
 
 bool BackgroundCompiler::IsDisabled() {
   UNREACHABLE();
   return true;
 }
 
 #endif  // DART_PRECOMPILED_RUNTIME
 
 }  // namespace dart