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

[Fangrui Song via llvm-commits]

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@@ -0,0 +1,44 @@
+# REQUIRES: aarch64
+
+# RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t
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MaskRay wrote:

`rm -rf %t && split-file %s %t && cd %t`

delete `-o /dev/null` for not ld.lld tests

See `2d756d9d4c89ac50404f942f2db2f4a402aa0e00`

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