Retain the [[Prototype]] of an object if it's intrinsic

Description

This issue does not include a description.

Contributor guide

Tech stack

javascript

Domain

tooling

Issue type

feature

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

3

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

1-2 days

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

stale

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

unclear

Prerequisites

JavaScript prototype chainPrepack internals

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

25

Research direction

Investigate the Prepack source code to understand how object prototypes are currently handled, and determine what 'intrinsic' prototypes refer to. Review the three existing comments for clues. Look at related issues or PRs in the repository for context. Consider implementing a mechanism to detect and retain intrinsic prototypes during optimization.