[llvm-dev] Total response file count limited to 21

[Chris Glover via llvm-dev]

On Mon, May 6, 2019 at 10:43 PM Rui Ueyama <ruiu at google.com> wrote:

> Instead of bumping up the threshold, can we detect a cycle in reference
> files? We have `llvm::sys::fs::equivalent` to determine whether two file
> descriptors are for the same file or not. It doesn't seem too hard to
> detect a cycle using that function.
>

This was my initial thought. In my opinion, there should be no artificial
limit, but I can also see a reasonable argument to have such a limit, so I
don't really mind either way.

-- chris
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