[llvm] [clang] [PGO][GlobalValue][LTO]In GlobalValues::getGlobalIdentifier, use semicolon as delimiter for local-linkage varibles. (PR #74008)

[Teresa Johnson via cfe-commits]

teresajohnson wrote:

> Using the same added ICP test, profile matching on local-linkage `_ZL7callee0v` using `clang++ -v -fuse-ld=lld -O2 -fprofile-use=thinlto_icall_prom.profdata <file-list>` , as [this](https://gist.github.com/minglotus-6/11817ba645c6b12cd7116f41bfb1185e) pgo-instr-use output shows.

Can you clarify what you are saying here - is it working or not working?

https://github.com/llvm/llvm-project/pull/74008