Fix http://lists.llvm.org/pipermail/llvm-dev/2020-October/145908.html Currently non-SHF_ALLOC SHT_REL[A] (due to --emit-relocs) and SHF_LINK_ORDER are not marked live. Reviewed By: grimar, psmith Differential Revision: https://reviews.llvm.org/D89841
Test cleanups.