[DebugInfo] Use absolute addresses in location lists

Rather than relying on the user to do the address calculating in
DW_AT_location we should just dump the absolute address.

rdar://problem/38513870

Differential revision: https://reviews.llvm.org/D47152

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@332873 91177308-0d34-0410-b5e6-96231b3b80d8
8 files changed