VM: Re-format to use at most one newline between functions

runtime/vm/optimizer.cc

 // Copyright (c) 2017, 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/optimizer.h"
 
 #include "vm/intermediate_language.h"
 #include "vm/object.h"
 
 namespace dart {
 
 static bool CidTestResultsContains(const ZoneGrowableArray<intptr_t>& results,
                                    intptr_t test_cid) {
   for (intptr_t i = 0; i < results.length(); i += 2) {
     if (results[i] == test_cid) return true;
   }
   return false;
 }
 
-
 static void TryAddTest(ZoneGrowableArray<intptr_t>* results,
                        intptr_t test_cid,
                        bool result) {
   if (!CidTestResultsContains(*results, test_cid)) {
     results->Add(test_cid);
     results->Add(result);
   }
 }
 
-
 // Used when we only need the positive result because we return false by
 // default.
 static void PurgeNegativeTestCidsEntries(ZoneGrowableArray<intptr_t>* results) {
   // We can't purge the Smi entry at the beginning since it is used in the
   // Smi check before the Cid is loaded.
   int dest = 2;
   for (intptr_t i = 2; i < results->length(); i += 2) {
     if (results->At(i + 1) != 0) {
       (*results)[dest++] = results->At(i);
       (*results)[dest++] = results->At(i + 1);
     }
   }
   results->SetLength(dest);
 }
 
-
 bool Optimizer::SpecializeTestCidsForNumericTypes(
     ZoneGrowableArray<intptr_t>* results,
     const AbstractType& type) {
   ASSERT(results->length() >= 2);  // At least on entry.
   const ClassTable& class_table = *Isolate::Current()->class_table();
   if ((*results)[0] != kSmiCid) {
     const Class& cls = Class::Handle(class_table.At(kSmiCid));
     const Class& type_class = Class::Handle(type.type_class());
     const bool smi_is_subtype =
         cls.IsSubtypeOf(Object::null_type_arguments(), type_class,
@@ skipping 30 matching lines @@
   } else if (type.IsDoubleType()) {
     ASSERT((*results)[0] == kSmiCid);
     TryAddTest(results, kDoubleCid, true);
     PurgeNegativeTestCidsEntries(results);
     return false;
   }
   return true;  // May deoptimize since we have not identified all 'true' tests.
 }
 
 }  // namespace dart