Fix x64 DEBUG build.

src/x64/fast-codegen-x64.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 299 matching lines @@
         ASSERT(key->location().is_temporary());
         Visit(value);
         ASSERT(value->location().is_temporary());
         __ CallRuntime(Runtime::kSetProperty, 3);
         __ movq(rax, Operand(rsp, 0));  // Restore result into rax.
         break;
       case ObjectLiteral::Property::SETTER:  // fall through
       case ObjectLiteral::Property::GETTER:
         __ push(rax);
         Visit(key);
-        ASSERT(key->location.is_temporary());
+        ASSERT(key->location().is_temporary());
         __ Push(property->kind() == ObjectLiteral::Property::SETTER ?
                 Smi::FromInt(1) :
                 Smi::FromInt(0));
         Visit(value);
         ASSERT(value->location().is_temporary());
         __ CallRuntime(Runtime::kDefineAccessor, 4);
         __ movq(rax, Operand(rsp, 0));  // Restore result into rax.
         break;
       default: UNREACHABLE();
     }
@@ skipping 306 matching lines @@
     } else {
       ASSERT(destination.is_temporary());
     }
   }
 
   __ bind(&done);
 }
 
 
 } }  // namespace v8::internal