[llvm] [MemProf] Print full context hash when reporting hinted bytes (PR #114465)

[Snehasish Kumar via llvm-commits]

https://github.com/snehasish approved this pull request.

lgtm.

I will keep an eye out for the overhead measurements though I don't consider them to be a blocker since we will only use this for debugging. Thanks!

https://github.com/llvm/llvm-project/pull/114465