Small cleanups and linter fixes.

runtime/vm/regexp.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.h"
 
 #include "vm/dart_entry.h"
 #include "vm/regexp_assembler.h"
 #include "vm/regexp_assembler_bytecode.h"
 #include "vm/regexp_assembler_ir.h"
@@ skipping 1216 matching lines @@
   intptr_t binary_chop_index = (end_index + start_index) / 2;
   // The first test ensures that we get to the code that handles the Latin1
   // range with a single not-taken branch, speeding up this important
   // character range (even non-Latin1 charset-based text has spaces and
   // punctuation).
   if (*border - 1 > Symbols::kMaxOneCharCodeSymbol &&  // Latin1 case.
       end_index - start_index > (*new_start_index - start_index) * 2 &&
       last - first > kSize * 2 &&
       binary_chop_index > *new_start_index &&
       ranges->At(binary_chop_index) >= first + 2 * kSize) {
-    intptr_t scan_forward_for_section_border = binary_chop_index;;
+    intptr_t scan_forward_for_section_border = binary_chop_index;
     intptr_t new_border = (ranges->At(binary_chop_index) | kMask) + 1;
 
     while (scan_forward_for_section_border < end_index) {
       if (ranges->At(scan_forward_for_section_border) > new_border) {
         *new_start_index = scan_forward_for_section_border;
         *border = new_border;
         break;
       }
       scan_forward_for_section_border++;
     }
@@ skipping 4075 matching lines @@
                               regexp, kExternalOneByteStringCid, owner);
     CreateSpecializedFunction(thread, zone,
                               regexp, kExternalTwoByteStringCid, owner);
   }
 
   return regexp.raw();
 }
 
 
 }  // namespace dart