[dart:io] Adds functions to set file access and modification time

runtime/vm/kernel_to_il.cc

 // Copyright (c) 2016, 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 <map>
 #include <set>
 #include <string>
 
 #include "vm/kernel_to_il.h"
 
@@ skipping 1793 matching lines @@
   }
 }
 
 
 void ConstantEvaluator::VisitNot(Not* node) {
   result_ ^= Bool::Get(!EvaluateBooleanExpression(node->expression())).raw();
 }
 
 
 void ConstantEvaluator::VisitPropertyGet(PropertyGet* node) {
-  const size_t kLengthLen = strlen("length");
+  const intptr_t kLengthLen = strlen("length");
 
   String* string = node->name()->string();
-  if (string->size() == kLengthLen &&
-      memcmp(string->buffer(), "length", kLengthLen) == 0) {
+  if ((string->size() == kLengthLen) &&
+      (memcmp(string->buffer(), "length", kLengthLen) == 0)) {
     node->receiver()->AcceptExpressionVisitor(this);
     if (result_.IsString()) {
       const dart::String& str =
           dart::String::Handle(Z, dart::String::RawCast(result_.raw()));
       result_ = Integer::New(str.Length());
     } else {
       H.ReportError(
           "Constant expressions can only call "
           "'length' on string constants.");
     }
@@ skipping 4451 matching lines @@
     thread->clear_sticky_error();
     return error.raw();
   }
 }
 
 
 }  // namespace kernel
 }  // namespace dart
 
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)