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

runtime/vm/weak_code.cc

 // Copyright (c) 2014, 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/weak_code.h"
 
 #include "platform/assert.h"
 
 #include "vm/code_patcher.h"
 #include "vm/object.h"
 #include "vm/runtime_entry.h"
 #include "vm/stack_frame.h"
 
 namespace dart {
 
 bool WeakCodeReferences::HasCodes() const {
   return !array_.IsNull() && (array_.Length() > 0);
 }
 
-
 void WeakCodeReferences::Register(const Code& value) {
   if (!array_.IsNull()) {
     // Try to find and reuse cleared WeakProperty to avoid allocating new one.
     WeakProperty& weak_property = WeakProperty::Handle();
     for (intptr_t i = 0; i < array_.Length(); i++) {
       weak_property ^= array_.At(i);
       if (weak_property.key() == Code::null()) {
         // Empty property found. Reuse it.
         weak_property.set_key(value);
         return;
       }
     }
   }
 
   const WeakProperty& weak_property =
       WeakProperty::Handle(WeakProperty::New(Heap::kOld));
   weak_property.set_key(value);
 
   intptr_t length = array_.IsNull() ? 0 : array_.Length();
   const Array& new_array =
       Array::Handle(Array::Grow(array_, length + 1, Heap::kOld));
   new_array.SetAt(length, weak_property);
   UpdateArrayTo(new_array);
 }
 
-
 bool WeakCodeReferences::IsOptimizedCode(const Array& dependent_code,
                                          const Code& code) {
   if (!code.is_optimized()) {
     return false;
   }
   WeakProperty& weak_property = WeakProperty::Handle();
   for (intptr_t i = 0; i < dependent_code.Length(); i++) {
     weak_property ^= dependent_code.At(i);
     if (code.raw() == weak_property.key()) {
       return true;
     }
   }
   return false;
 }
 
-
 void WeakCodeReferences::DisableCode() {
   Thread* thread = Thread::Current();
   const Array& code_objects = Array::Handle(thread->zone(), array_.raw());
   if (code_objects.IsNull()) {
     return;
   }
   ASSERT(!FLAG_precompiled_runtime);
   UpdateArrayTo(Object::null_array());
   // Disable all code on stack.
   Code& code = Code::Handle();
@@ skipping 55 matching lines @@
       // Make non-OSR code non-entrant.
       if (!code.IsDisabled()) {
         ReportSwitchingCode(code);
         code.DisableDartCode();
       }
     }
   }
 }
 
 }  // namespace dart