Merge libv1.

runtime/bin/builtin.dart

 // 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.
 
 #library("builtin");
 #import("dart:uri");
 
 // Corelib 'print' implementation.
 void _print(arg) {
   _Logger._printString(arg.toString());
@@ skipping 88 matching lines @@
       break;
     case 'package':
       path = _filePathFromPackageUri(uri);
       break;
     default:
       // Only handling file and package URIs in standalone binary.
       _logResolution("# Unknown scheme (${uri.scheme}) in $uri.");
       throw "Not a known scheme: $uri";
   }
 
-  if (isWindows) {
+  if (isWindows && path.startsWith("/")) {
     // For Windows we need to massage the paths a bit according to
     // http://blogs.msdn.com/b/ie/archive/2006/12/06/file-uris-in-windows.aspx
     //
     // Drop the leading / before the drive letter.
     path = path.substring(1);
     _logResolution("# path: $path");
   }
 
   return path;
 }
@@ skipping 29 matching lines @@
   var path;
   if (_packageRoot !== null) {
     path = "${_packageRoot}${uri.path}";
   } else {
     path = _entrypoint.resolve('packages/${uri.path}').path;
   }
 
   _logResolution("# Package: $path");
   return path;
 }