Fix linux build

runtime/vm/object.h

 // 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.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "vm/assert.h"
 #include "vm/dart.h"
 #include "vm/globals.h"
@@ skipping 1713 matching lines @@
  public:
   enum Kind {
     kDeopt = 0,  // Deoptimization cotinuation point.
     kPatchCode,  // Buffer for patching code entry.
     kIcCall,     // IC call.
     kOther
   };
 
   intptr_t Length() const;
 
-  intptr_t PC(intptr_t index) const;
+  uword PC(intptr_t index) const;
   PcDescriptors::Kind DescriptorKind(intptr_t index) const;
   const char* KindAsStr(intptr_t index) const;
   intptr_t NodeId(intptr_t index) const;
   intptr_t TokenIndex(intptr_t index) const;
   intptr_t TryIndex(intptr_t index) const;
 
   void AddDescriptor(intptr_t index,
-                     intptr_t pc,
+                     uword pc,
                      PcDescriptors::Kind kind,
                      intptr_t node_id,
                      intptr_t token_index,
                      intptr_t try_index) const {
     SetPC(index, pc);
     SetKind(index, kind);
     SetNodeId(index, node_id);
     SetTokenIndex(index, token_index);
     SetTryIndex(index, try_index);
   }
@@ skipping 18 matching lines @@
     kPcEntry = 0,      // PC value of the descriptor, unique.
     kKindEntry,
     kNodeIdEntry,      // AST node id.
     kTokenIndexEntry,  // Token position in source of PC.
     kTryIndexEntry,    // Try block index of PC.
     // We would potentially be adding other objects here like
     // pointer maps for optimized functions, local variables information  etc.
     kNumberOfEntries
   };
 
-  void SetPC(intptr_t index, intptr_t value) const;
+  void SetPC(intptr_t index, uword value) const;
   void SetKind(intptr_t index, PcDescriptors::Kind kind) const;
   void SetNodeId(intptr_t index, intptr_t value) const;
   void SetTokenIndex(intptr_t index, intptr_t value) const;
   void SetTryIndex(intptr_t index, intptr_t value) const;
 
   void SetLength(intptr_t value) const;
 
   intptr_t* EntryAddr(intptr_t index, intptr_t entry_offset) const {
     ASSERT((index >=0) && (index < Length()));
     intptr_t data_index = (index * kNumberOfEntries) + entry_offset;
@@ skipping 1476 matching lines @@
 }
 
 
 void Context::SetAt(intptr_t index, const Instance& value) const {
   StorePointer(InstanceAddr(index), value.raw());
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_