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

runtime/vm/verifier.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/verifier.h"
 
 #include "platform/assert.h"
 #include "vm/dart.h"
 #include "vm/dart_api_state.h"
 #include "vm/freelist.h"
@@ skipping 27 matching lines @@
             FATAL1("Unmarked object encountered %#" Px "\n", raw_addr);
           }
           break;
       }
     }
   }
   allocated_set_->Add(raw_obj);
   raw_obj->Validate(isolate_);
 }
 
-
 void VerifyPointersVisitor::VisitPointers(RawObject** first, RawObject** last) {
   for (RawObject** current = first; current <= last; current++) {
     RawObject* raw_obj = *current;
     if (raw_obj->IsHeapObject()) {
       if (!allocated_set_->Contains(raw_obj)) {
         uword raw_addr = RawObject::ToAddr(raw_obj);
         FATAL1("Invalid object pointer encountered %#" Px "\n", raw_addr);
       }
     }
   }
 }
 
-
 void VerifyWeakPointersVisitor::VisitHandle(uword addr) {
   FinalizablePersistentHandle* handle =
       reinterpret_cast<FinalizablePersistentHandle*>(addr);
   RawObject* raw_obj = handle->raw();
   visitor_->VisitPointer(&raw_obj);
 }
 
-
 void VerifyPointersVisitor::VerifyPointers(MarkExpectation mark_expectation) {
   NoSafepointScope no_safepoint;
   Thread* thread = Thread::Current();
   Isolate* isolate = thread->isolate();
   StackZone stack_zone(thread);
   ObjectSet* allocated_set = isolate->heap()->CreateAllocatedObjectSet(
       stack_zone.GetZone(), mark_expectation);
   VerifyPointersVisitor visitor(isolate, allocated_set);
   // Visit all strongly reachable objects.
   isolate->IterateObjectPointers(&visitor, StackFrameIterator::kValidateFrames);
   VerifyWeakPointersVisitor weak_visitor(&visitor);
   // Visit weak handles and prologue weak handles.
   isolate->VisitWeakPersistentHandles(&weak_visitor);
 }
 
-
 #if defined(DEBUG)
 VerifyCanonicalVisitor::VerifyCanonicalVisitor(Thread* thread)
     : thread_(thread), instanceHandle_(Instance::Handle(thread->zone())) {}
 
-
 void VerifyCanonicalVisitor::VisitObject(RawObject* obj) {
   if (obj->GetClassId() >= kInstanceCid) {
     if (obj->IsCanonical()) {
       instanceHandle_ ^= obj;
       const bool is_canonical = instanceHandle_.CheckIsCanonical(thread_);
       if (!is_canonical) {
         OS::PrintErr("Instance `%s` is not canonical!\n",
                      instanceHandle_.ToCString());
       }
       ASSERT(is_canonical);
     }
   }
 }
 #endif  // defined(DEBUG)
 
 }  // namespace dart