Reland: Preprocess structured stack trace on GC to get rid of code reference.

src/objects-inl.h

 // 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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 2338 matching lines @@
   return WeakCell::cast(raw)->value();
 }
 
 
 bool WeakFixedArray::IsEmptySlot(int index) const {
   DCHECK(index < Length());
   return Get(index)->IsSmi();
 }
 
 
-void WeakFixedArray::clear(int index) {
+void WeakFixedArray::Clear(int index) {
   FixedArray::cast(this)->set(index + kFirstIndex, Smi::FromInt(0));
 }
 
 
 int WeakFixedArray::Length() const {
   return FixedArray::cast(this)->length() - kFirstIndex;
 }
 
 
 int WeakFixedArray::last_used_index() const {
@@ skipping 5233 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_