Fix arm debug build.

src/arm/virtual-frame-arm.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 643 matching lines @@
       __ str(reg, ElementAt(this_far_down));
     } else {
       ASSERT(virtual_elements == 2);
       ASSERT(!reg.is(r0));
       ASSERT(!reg.is(r1));
       Register dest = kBottomRegister[top_of_stack_state_];
       __ mov(dest, reg);
     }
   } else {
     ASSERT(this_far_down >= 2);
-    ASSERT(virtual_elements <= 2);
+    ASSERT(kVirtualElements[top_of_stack_state_] <= 2);
     __ str(reg, ElementAt(this_far_down));
   }
 }
 
 
 Register VirtualFrame::GetTOSRegister() {
   if (SpilledScope::is_spilled()) return r0;
 
   EnsureOneFreeTOSRegister();
   return kTopRegister[kStateAfterPush[top_of_stack_state_]];
@@ skipping 67 matching lines @@
     default:
       UNREACHABLE();
       break;
   }
   ASSERT(register_allocation_map_ == 0);  // Not yet implemented.
 }
 
 #undef __
 
 } }  // namespace v8::internal