Implement set trap for proxies, and revamp class hierarchy in preparation

src/ia32/macro-assembler-ia32.cc

 // Copyright 2011 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 312 matching lines @@
                                           Label* fail) {
   mov(map, FieldOperand(heap_object, HeapObject::kMapOffset));
   IsInstanceJSObjectType(map, scratch, fail);
 }
 
 
 void MacroAssembler::IsInstanceJSObjectType(Register map,
                                             Register scratch,
                                             Label* fail) {
   movzx_b(scratch, FieldOperand(map, Map::kInstanceTypeOffset));
-  sub(Operand(scratch), Immediate(FIRST_JS_OBJECT_TYPE));
-  cmp(scratch, LAST_JS_OBJECT_TYPE - FIRST_JS_OBJECT_TYPE);
+  sub(Operand(scratch), Immediate(FIRST_OBJECT_CLASS_TYPE));
+  cmp(scratch, LAST_OBJECT_CLASS_TYPE - FIRST_OBJECT_CLASS_TYPE);
   j(above, fail);
 }
 
 
 void MacroAssembler::FCmp() {
   if (CpuFeatures::IsSupported(CMOV)) {
     fucomip();
     ffree(0);
     fincstp();
   } else {
@@ skipping 1743 matching lines @@
 
   // Check that the code was patched as expected.
   ASSERT(masm_.pc_ == address_ + size_);
   ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32