Adopt to LLVM API change (llvm.dbg.value no longer has an offset)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309427 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit 8c94133f92df7c2e36e8ac0fa31011f2e54b5f3e)
2 files changed