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

runtime/vm/regexp_assembler.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/regexp_assembler.h"
 
 #include "vm/flags.h"
 #include "vm/regexp.h"
 #include "vm/unibrow-inl.h"
 
@@ skipping 48 matching lines @@
 BlockLabel::BlockLabel()
     : block_(NULL), is_bound_(false), is_linked_(false), pos_(-1) {
 #if !defined(DART_PRECOMPILED_RUNTIME)
   if (!FLAG_interpret_irregexp) {
     // Only needed by the compiled IR backend.
     block_ = new JoinEntryInstr(-1, -1, Thread::Current()->GetNextDeoptId());
   }
 #endif
 }
 
-
 RegExpMacroAssembler::RegExpMacroAssembler(Zone* zone)
     : slow_safe_compiler_(false), global_mode_(NOT_GLOBAL), zone_(zone) {}
 
-
 RegExpMacroAssembler::~RegExpMacroAssembler() {}
 
 }  // namespace dart