A few fixes for ARMv5TE.

runtime/vm/regexp_parser.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/longjump.h"
 #include "vm/object_store.h"
 #include "vm/regexp_parser.h"
 
 namespace dart {
 
@@ skipping 655 matching lines @@
 // In order to know whether an escape is a backreference or not we have to scan
 // the entire regexp and find the number of capturing parentheses.  However we
 // don't want to scan the regexp twice unless it is necessary.  This mini-parser
 // is called when needed.  It can see the difference between capturing and
 // noncapturing parentheses and can skip character classes and backslash-escaped
 // characters.
 void RegExpParser::ScanForCaptures() {
   // Start with captures started previous to current position
   intptr_t capture_count = captures_started();
   // Add count of captures after this position.
-  intptr_t n;
+  uintptr_t n;
   while ((n = current()) != kEndMarker) {
     Advance();
     switch (n) {
       case '\\':
         Advance();
         break;
       case '[': {
-        intptr_t c;
+        uintptr_t c;
         while ((c = current()) != kEndMarker) {
           Advance();
           if (c == '\\') {
             Advance();
           } else {
             if (c == ']') break;
           }
         }
         break;
       }
@@ skipping 374 matching lines @@
           String::Concat(result->error, input));
     const Array& args = Array::Handle(Array::New(1));
     args.SetAt(0, message);
 
     Exceptions::ThrowByType(Exceptions::kFormat, args);
   }
   return !parser.failed();
 }
 
 }  // namespace dart