[Bug]: addInitializer missing on class field decorators when I use builtin:swc-loader

[chenshengshui]

System Info

System:
OS: macOS 15.3.1
CPU: (12) x64 Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz
Memory: 33.03 MB / 32.00 GB
Shell: 5.9 - /bin/zsh
Binaries:
Node: 18.17.0 - ~/.nvm/versions/node/v18.17.0/bin/node
Yarn: 1.22.19 - /usr/local/bin/yarn
npm: 9.6.7 - ~/.nvm/versions/node/v18.17.0/bin/npm
pnpm: 7.9.3 - ~/.nvm/versions/node/v18.17.0/bin/pnpm
Browsers:
Chrome: 134.0.6998.89
Safari: 18.3
npmPackages:
@rspack/cli: ^1.2.8 => 1.2.8
@rspack/core: ^1.2.8 => 1.2.8
@rspack/plugin-react-refresh: ^0.7.5 => 0.7.5

Details

function bar(_, ctx) {
console.log("should not be undefined", ctx.addInitializer);
}
class Foo {
@bar baz = 1
}

new Foo()

Reproduce link

swc-project/swc#8525

Reproduce Steps

swc-project/swc#8525