[clang] [lld] [llvm] [LTO][LLD] Prevent invalid LTO libfunc transforms (PR #164916)

[Daniel Thornburgh via llvm-commits]

mysterymath wrote:

> Hello! It seems this PR failed offload test. Could you please fix or revert it to unblock? Thanks! https://lab.llvm.org/buildbot/#/builders/67/builds/1196

Have you been able to verify that this change is actually the culprit? Just looking for a double-check: it's very strange that it would be related (but not impossible).

https://github.com/llvm/llvm-project/pull/164916