[llvm] [Symbolizer, DebugInfo] Clean up LLVMSymbolizer API: const string& -> StringRef (PR #104541)

[James Henderson via llvm-commits]

jh7370 wrote:

> I didn't mean to request your immediate attention to this, but rather to notify that this work-item is now actionable.
> Sorry for the irritation, and thank you for the quick response.

Sorry for the overreaction too! I was obviously having a bad day...

Thanks for the performance figures. If you were to make the change I suggested, does that make a significant difference to the performance at all?

https://github.com/llvm/llvm-project/pull/104541