Only verify in-object fields in fast properties case.

src/objects-debug.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/objects.h"
 
 #include "src/bootstrapper.h"
 #include "src/disasm.h"
 #include "src/disassembler.h"
 #include "src/macro-assembler.h"
@@ skipping 531 matching lines @@
 
 void SlicedString::SlicedStringVerify() {
   CHECK(!this->parent()->IsConsString());
   CHECK(!this->parent()->IsSlicedString());
   CHECK(this->length() >= SlicedString::kMinLength);
 }
 
 
 void JSBoundFunction::JSBoundFunctionVerify() {
   CHECK(IsJSBoundFunction());
-  VerifyObjectField(kLengthOffset);
-  VerifyObjectField(kNameOffset);
+  if (HasFastProperties()) {
+    VerifyObjectField(kLengthOffset);
+    VerifyObjectField(kNameOffset);
+  }
   VerifyObjectField(kBoundThisOffset);
   VerifyObjectField(kBoundTargetFunctionOffset);
   VerifyObjectField(kBoundArgumentsOffset);
   VerifyObjectField(kCreationContextOffset);
   CHECK(bound_target_function()->IsCallable());
   CHECK(creation_context()->IsNativeContext());
   CHECK(IsCallable());
   CHECK_EQ(IsConstructor(), bound_target_function()->IsConstructor());
 }
 
@@ skipping 770 matching lines @@
 
   // Both are done at the same time.
   CHECK_EQ(new_it.done(), old_it.done());
 }
 
 
 #endif  // DEBUG
 
 }  // namespace internal
 }  // namespace v8