Fix linux build

runtime/vm/code_generator_ia32.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/globals.h"  // Needed here to get TARGET_ARCH_IA32.
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/code_generator.h"
 
 #include "lib/error.h"
@@ skipping 302 matching lines @@
   // TODO(srdjan): Implement a more efficient way to check, currently drop
   // the check for too large number of descriptors.
   if (descriptors.Length() > 3000) {
     if (FLAG_trace_compiler) {
       OS::Print("Not checking pc decriptors, length %d\n",
                 descriptors.Length());
     }
     return;
   }
   for (intptr_t i = 0; i < descriptors.Length(); i++) {
-    intptr_t pc = descriptors.PC(i);
+    uword pc = descriptors.PC(i);
     PcDescriptors::Kind kind = descriptors.DescriptorKind(i);
     // 'node_id' is set for kDeopt and kIcCall and must be unique for one kind.
     intptr_t node_id = AstNode::kNoId;
     if (check_ids) {
       if ((descriptors.DescriptorKind(i) == PcDescriptors::kDeopt) ||
           (descriptors.DescriptorKind(i) == PcDescriptors::kIcCall)) {
         node_id = descriptors.NodeId(i);
       }
     }
     for (intptr_t k = i + 1; k < descriptors.Length(); k++) {
@@ skipping 2412 matching lines @@
                         message_buffer, kMessageBufferSize,
                         format, args);
   va_end(args);
   Isolate::Current()->long_jump_base()->Jump(1, message_buffer);
   UNREACHABLE();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32