Use a custom Struct for stack trace storage

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index e83d8b6096358b865ad58503a2eef602d72d8212..c736467ebe18ebc18fe716c0a03e3769c1365d8f 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -5818,6 +5818,29 @@ void Script::set_origin_options(ScriptOriginOptions origin_options) {
             (origin_options.Flags() << kOriginOptionsShift));
 }
 
+SMI_ACCESSORS(StackTraceFrame, flags, kFlagsOffset)
+ACCESSORS(StackTraceFrame, abstract_code, AbstractCode, kAbstractCodeOffset)
+SMI_ACCESSORS(StackTraceFrame, offset, kOffsetOffset)
+ACCESSORS_CHECKED(StackTraceFrame, receiver, Object, kReceiverOffset,
+                  !IsWasmFrame())
+ACCESSORS_CHECKED(StackTraceFrame, function, JSFunction, kFunctionOffset,
+                  !IsWasmFrame())
+ACCESSORS_CHECKED(StackTraceFrame, wasm_object, Object, kWasmObjectOffset,
+                  IsWasmFrame())
+SMI_ACCESSORS_CHECKED(StackTraceFrame, wasm_function_index,
+                      kWasmFunctionIndexOffset, IsWasmFrame())
+
+bool StackTraceFrame::IsWasmFrame() const {
+  return ((flags() & kIsWasmFrame) != 0);
+}
+
+bool StackTraceFrame::IsJavaScriptFrame() const { return !IsWasmFrame(); }
+
+bool StackTraceFrame::IsStrict() const { return ((flags() & kIsStrict) != 0); }
+
+bool StackTraceFrame::ForceConstructor() const {
+  return ((flags() & kForceConstructor) != 0);
+}
 
 ACCESSORS(DebugInfo, shared, SharedFunctionInfo, kSharedFunctionInfoIndex)
 ACCESSORS(DebugInfo, debug_bytecode_array, Object, kDebugBytecodeArrayIndex)