[llvm] [BOLT][NFC] Store FILE symbols in a vector (PR #89088)

[Davide Italiano via llvm-commits]

dcci wrote:

> For reference, in one of our medium-sized test binaries we have:

Can we try on large binaries and try to have an upper bound on the size? I am not against this I just want to make sure we don't regress time dramatically.

> The switch to storing FILE symbols is a prerequisite for using the symbol table information for split fragment matching

Thanks for the context. Feel free to add more motivation to your NFC patches/commits, in particular if they're in preparation for something bigger.


https://github.com/llvm/llvm-project/pull/89088