JSX element is not transformed to `React.createElement` when inside a spread

[EgoziE]

Bug Report

🔎 Search Terms

JSX, spread, React.createElement

🕗 Version & Regression Information

5.1

⏯ Playground Link

Playground link with relevant code

💻 Code

<Comp right={<div>x</div>} {...{ wrong: <div>x</div>}}/>

🙁 Actual behavior

React.createElement(Comp, { right: React.createElement("div", null, "x"), wrong: <div>x</div> });

🙂 Expected behavior

Works with version 5.0.4

React.createElement(Comp, Object.assign({ right: React.createElement("div", null, "x") }, { wrong: React.createElement("div", null, "x") }));

[fatcerberus]

Probably a duplicate of #54411 (see last comment)

[marsiancba]

Just hit this bug when upgrading to 5.1.
Also in 5.2.0 beta