[AccelTable] Provide DWARF5AccelTableStaticData for dsymutil.

For dsymutil we want to store offsets in the accelerator table entries
rather than DIE pointers. In addition, we need a way to communicate
which CU a DIE belongs to. This patch provides support for both of these
issues.

Differential revision: https://reviews.llvm.org/D49102

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@337158 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed