- Fix a lot of warnings generated by -Wshorten-64-to-32

runtime/vm/os_test.cc

 // Copyright (c) 2013, 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 "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/globals.h"
 #include "vm/os.h"
 #include "vm/unit_test.h"
 
@@ skipping 33 matching lines @@
   int num = 7;
   OS::SNPrint(NULL, 0, "%*d%*d", width, num, width, num);
 }
 
 
 UNIT_TEST_CASE(OsFuncs) {
   EXPECT(Utils::IsPowerOfTwo(OS::ActivationFrameAlignment()));
   EXPECT(Utils::IsPowerOfTwo(OS::PreferredCodeAlignment()));
   int procs = OS::NumberOfAvailableProcessors();
   EXPECT_LE(1, procs);
-  EXPECT_LT(0U, OS::GetStackSizeLimit());
 }
 
 
 UNIT_TEST_CASE(OSAlignedAllocate) {
   // TODO(johnmccutchan): Test other alignments, once we support
   // alignments != 16 on Mac.
   void* p1 = OS::AlignedAllocate(1023, 16);
   void* p2 = OS::AlignedAllocate(1025, 16);
   void* p3 = OS::AlignedAllocate(1025, 16);
   void* p4 = OS::AlignedAllocate(1, 16);
   void* p5 = OS::AlignedAllocate(2, 16);
   void* p6 = OS::AlignedAllocate(4, 16);
   EXPECT((reinterpret_cast<intptr_t>(p1) & 15) == 0);
   EXPECT((reinterpret_cast<intptr_t>(p2) & 15) == 0);
   EXPECT((reinterpret_cast<intptr_t>(p3) & 15) == 0);
   EXPECT((reinterpret_cast<intptr_t>(p4) & 15) == 0);
   EXPECT((reinterpret_cast<intptr_t>(p5) & 15) == 0);
   EXPECT((reinterpret_cast<intptr_t>(p6) & 15) == 0);
   OS::AlignedFree(p1);
   OS::AlignedFree(p2);
   OS::AlignedFree(p3);
   OS::AlignedFree(p4);
   OS::AlignedFree(p5);
   OS::AlignedFree(p6);
 }
 
 }  // namespace dart