Treat WASM_FUNCTION frames as stubs.

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.h"
 #include "src/base/bits.h"
@@ skipping 418 matching lines @@
   Code* code_obj = GetContainingCode(iterator->isolate(), *(state->pc_address));
 
   Object* marker =
       Memory::Object_at(state->fp + StandardFrameConstants::kMarkerOffset);
   if (code_obj != nullptr) {
     switch (code_obj->kind()) {
       case Code::FUNCTION:
         return JAVA_SCRIPT;
       case Code::OPTIMIZED_FUNCTION:
         return OPTIMIZED;
+      case Code::WASM_FUNCTION:
+        return STUB;
       case Code::BUILTIN:
         if (!marker->IsSmi()) {
           if (StandardFrame::IsArgumentsAdaptorFrame(state->fp)) {
             // An adapter frame has a special SMI constant for the context and
             // is not distinguished through the marker.
             return ARGUMENTS_ADAPTOR;
           } else {
             // The interpreter entry trampoline has a non-SMI marker.
             DCHECK(code_obj->is_interpreter_entry_trampoline());
             return INTERPRETED;
@@ skipping 1142 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