DebugInfo: Use debug_addr for non-dwo addresses in DWARF 5

Putting addresses in the address pool, even with non-fission, can reduce
relocations - reusing the addresses from debug_info and debug_rnglists
(the latter coming soon)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@344834 91177308-0d34-0410-b5e6-96231b3b80d8
17 files changed