[llvm] MTM: fix issues after cursory reading (PR #100404)

[Mehdi Amini via llvm-commits]

joker-eph wrote:

This broke the gcc7 build here: https://lab.llvm.org/buildbot/#/builders/116/builds/1724 , I reverted for now to unbreak.


https://github.com/llvm/llvm-project/pull/100404