Fix "[runtime] Unify and simplify how frames are marked" for embedded constant pools.

src/frames.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/frames.h"
 
 #include <sstream>
 
 #include "src/ast/ast.h"
 #include "src/ast/scopeinfo.h"
@@ skipping 650 matching lines @@
 
   // Compute the safepoint information.
   unsigned stack_slots = 0;
   SafepointEntry safepoint_entry;
   Code* code = StackFrame::GetSafepointData(
       isolate(), pc(), &safepoint_entry, &stack_slots);
   unsigned slot_space = stack_slots * kPointerSize;
 
   // Determine the fixed header and spill slot area size.
   int frame_header_size = StandardFrameConstants::kFixedFrameSizeFromFp;
-  Object* marker = Memory::Object_at(fp() - kPointerSize);
+  Object* marker =
+      Memory::Object_at(fp() + CommonFrameConstants::kContextOrFrameTypeOffset);
   if (marker->IsSmi()) {
     StackFrame::Type candidate =
         static_cast<StackFrame::Type>(Smi::cast(marker)->value());
     switch (candidate) {
       case ENTRY:
       case ENTRY_CONSTRUCT:
       case EXIT:
       case STUB_FAILURE_TRAMPOLINE:
       case ARGUMENTS_ADAPTOR:
       case STUB:
@@ skipping 1029 matching lines @@
   for (StackFrameIterator it(isolate); !it.done(); it.Advance()) {
     StackFrame* frame = AllocateFrameCopy(it.frame(), zone);
     list.Add(frame, zone);
   }
   return list.ToVector();
 }
 
 
 }  // namespace internal
 }  // namespace v8