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[Compiler Bug]: Moved breakpoint in React Native
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上游 issue 正文
### What kind of issue is this?
- [ ] React Compiler core (the JS output is incorrect, or your app works incorrectly after optimization)
- [x] babel-plugin-react-compiler (build issue installing or using the Babel plugin)
- [ ] eslint-plugin-react-compiler (build issue installing or using the eslint plugin)
- [ ] react-compiler-healthcheck (build issue installing or using the healthcheck script)
### Link to repro
https://github.com/maciekstosio/CompilerRepo
### Repro steps
- Run the app
```
yarn install
yarn start
```
- Run dev tools
- Try to put breakpoint on `const a = 'Test Error';` - it's moved to main component
- Put breakpoint on `throw new Error(a);` - debugger don't stop on
The debugger used with React Native (0.76.3) sometimes moves the breakpoint to other places. It sometimes doesn't stop. I can reproduce it reliably with the variable assignment and arrow functions. The problem occurs both in DevTools and Radon IDE ), so I assume this is a problem with source maps after optimization or Chrome Debugger, not the DevTools front.
|Without Compiler|With Compiler|
|-|-|
|<video src="https://github.com/user-attachments/assets/bcb514cc-4697-4019-998f-79ca2fb1c219" />|<video src="https://github.com/user-attachments/assets/c1dbb46d-5da2-49d8-a1d3-1f4545729fe4" />|
### How often does this bug happen?
Every time
### What version of React are you using?
18.3.1
### What version of React Compiler are you using?
19.0.0-beta-df7b47d-20241124
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