Just in case you didn't read the full article, this is how they describe finding the bugs in the Linux kernel as well.
Since it's a large codebase, they go even more specific and hint that the bug is in file A, then try again with a hint that the bug is in file B, and so on.
very interesting. i think "verbal biasing" and "knowing how to speak" in general is a really important thing with LLMs. it seems to massively affect output. (interestingly, somewhat less with Opus than with GPT-5.4 and Composer 2. Opus seems to intuit a little better. but still important.)
it's like the idea behind the book _The Mom Test_ suddenly got very important for programming
Since it's a large codebase, they go even more specific and hint that the bug is in file A, then try again with a hint that the bug is in file B, and so on.