Fix linux build

runtime/vm/object_test.cc

 // Copyright (c) 2011, 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/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
 #include "vm/isolate.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
@@ skipping 2170 matching lines @@
   extern void GenerateIncrement(Assembler* assembler);
   Assembler _assembler_;
   GenerateIncrement(&_assembler_);
   Code& code = Code::Handle(Code::FinalizeCode("Test_Code", &_assembler_));
   code.set_pc_descriptors(descriptors);
 
   // Verify the PcDescriptor entries by accessing them.
   const PcDescriptors& pc_descs = PcDescriptors::Handle(code.pc_descriptors());
   EXPECT_EQ(kNumEntries, pc_descs.Length());
   EXPECT_EQ(1, pc_descs.TryIndex(0));
-  EXPECT_EQ(10, pc_descs.PC(0));
+  EXPECT_EQ(static_cast<uword>(10), pc_descs.PC(0));
   EXPECT_EQ(1, pc_descs.NodeId(0));
   EXPECT_EQ(20, pc_descs.TokenIndex(0));
   EXPECT_EQ(3, pc_descs.TryIndex(5));
-  EXPECT_EQ(80, pc_descs.PC(5));
+  EXPECT_EQ(static_cast<uword>(80), pc_descs.PC(5));
   EXPECT_EQ(150, pc_descs.TokenIndex(5));
   EXPECT_EQ(PcDescriptors::kOther, pc_descs.DescriptorKind(0));
   EXPECT_EQ(PcDescriptors::kDeopt, pc_descs.DescriptorKind(1));
 }
 
 
 static RawClass* CreateTestClass(const char* name) {
   const String& class_name = String::Handle(String::NewSymbol(name));
   const Class& cls = Class::Handle(Class::New(class_name, Script::Handle()));
   return cls.raw();
@@ skipping 27 matching lines @@
     cls = iterator.GetNextClass();
     ASSERT((cls.raw() == ae66.raw()) || (cls.raw() == re44.raw()));
     count++;
   }
   ASSERT(count == 2);
 }
 
 #endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
 
 }  // namespace dart