Support child_process in snapshot #50924

Version

21.1.0

Platform

Linux h4ad 5.15.0-89-generic #99~20.04.1-Ubuntu SMP Thu Nov 2 15:16:47 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux

Subsystem

child_process

What steps will reproduce the bug?

The following code:

// save as file.js
const child_process = require("node:child_process");
child_process.execSync("echo 1", { stdio: "inherit" });

Run with: node --snapshot-blob snapshot.blob --build-snapshot file.js

How often does it reproduce? Is there a required condition?

Always

What is the expected behavior? Why is that the expected behavior?

The snapshot being created without core dumped.is

What do you see instead?

1
(node:136443) Warning: built-in module node:child_process is not yet supported in user snapshots
(Use `node --trace-warnings ...` to show where the warning was created)
Unknown external reference 0xf0e510.
<unresolved>
[1]    136443 trace trap (core dumped)  node --snapshot-blob snapshot.blob --build-snapshot file.js

Additional information

Found at https://github.com/mehulkar/bench-childprocess