Yes
I often ask it "I have this bug. Why?" And it almost always figures it out and fixes it
aurareturn on Hacker News
In the thread “I asked Claude Code to remove jQuery. It failed miserably”
Helped: Asking why a bug exists in a huge codebase.
… It excels in existing codebases too. I often ask it "I have this bug. Why?" And it almost always figures it out and fixes it. Huge code base. …