[wasm] Provide better stack traces for asm.js code

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 2621 matching lines @@
     set(kFirstIndex + frame_ix * kElementsPerFrame + k##name##Offset, value); \
   }
 FRAME_ARRAY_FIELD_LIST(DEFINE_FRAME_ARRAY_ACCESSORS)
 #undef DEFINE_FRAME_ARRAY_ACCESSORS
 
 bool FrameArray::IsWasmFrame(int frame_ix) const {
   const int flags = Flags(frame_ix)->value();
   return (flags & kIsWasmFrame) != 0;
 }
 
+bool FrameArray::IsAsmJsWasmFrame(int frame_ix) const {
+  const int flags = Flags(frame_ix)->value();
+  return (flags & kIsAsmJsWasmFrame) != 0;
+}
+
 int FrameArray::FrameCount() const {
   const int frame_count = Smi::cast(get(kFrameCountIndex))->value();
   DCHECK_LE(0, frame_count);
   return frame_count;
 }
 
 bool DescriptorArray::IsEmpty() {
   DCHECK(length() >= kFirstIndex ||
          this == GetHeap()->empty_descriptor_array());
   return length() < kFirstIndex;
@@ skipping 5673 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_