Changing process.title does nothing

[brownjoel]

What version of Bun is running?

1.1.29+6d43b3662

What platform is your computer?

Darwin 23.5.0 x86_64 i386 and Linux 6.8.0-40-generic x86_64 x86_64

What steps can reproduce the bug?

Run

bun -e "process.title='foo'; console.log(process.title)"

What is the expected behavior?

foo to be printed to the console.

What do you see instead?

bun is printed to the console.

Additional information

If run with node 20, this works as expected:

% node -e "process.title='foo'; console.log(process.title)"
% foo

Welcome to Node.js v20.11.0.
Type ".help" for more information.
> process.title='foo'
'foo'
> console.log(process.title)
foo

In bun:

Welcome to Bun v1.1.29
Type ".help" for more information.
[!] Please note that the REPL implementation is still experimental!
    Don't consider it to be representative of the stability or behavior of Bun overall.
> process.title='foo'
'foo'
> console.log(process.title)
bun

Tested on a variety of machines, including macOS and Ubuntu.

[dylan-conway]

This is a bug in src/bun.js/bindings/exports.zig. Process.setTitle/getTitle should be saving input titles.