[NativeAOT-LLVM] Set up the shadow stack in LSSA#3173

jkotas merged 2 commits intodotnet:feature/NativeAOT-LLVMdotnet/runtimelab:feature/NativeAOT-LLVMfrom

SingleAccretion:PI-Opt-RefactorSingleAccretion/runtimelab:PI-Opt-RefactorCopy head branch name to clipboard