[PATCH] D31096: LTO, Support: Add a safeguard against pruning a directory that is not a cache directory.

[Mehdi AMINI via Phabricator via llvm-commits]

mehdi_amini added a comment.

In https://reviews.llvm.org/D31096#704183, @pcc wrote:

> Ivan suggested that we can just use a hidden directory inside the user-supplied directory as the cache directory. I like that approach better, so I'm abandoning this.


Not sure how it'll look like...

What about pattern-matching the list of files to see if any don't  have the expected name structure? The linker could warn (or error) when supplied such a directory as cache).


https://reviews.llvm.org/D31096