[lld] [lld][ELF] Extend profile guided function ordering to ELF binaries (PR #117514)

[Vincent Lee via llvm-commits]

================
@@ -0,0 +1,383 @@
+//===- BPSectionOrdererBase.cpp---------------------------------------*- C++
----------------
thevinster wrote:

We can also start dropping the `- C++ -` tag as well since folks all agree that it's useless. Same everywhere else. See https://discourse.llvm.org/t/is-c-in-header-files-still-relevant/83124. 

https://github.com/llvm/llvm-project/pull/117514