Sink DwarfUnit::addComplexAddress down into DwarfCompileUnit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221086 91177308-0d34-0410-b5e6-96231b3b80d8
Sink DwarfUnit::addLocationList down into DwarfCompileUnit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221087 91177308-0d34-0410-b5e6-96231b3b80d8
Sink DwarfUnit::applyVariableAttributes into DwarfCompileUnit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221088 91177308-0d34-0410-b5e6-96231b3b80d8
Fix the build from the last commit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221089 91177308-0d34-0410-b5e6-96231b3b80d8
Sink DwarfUnit::addExpr into DwarfCompileUnit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221090 91177308-0d34-0410-b5e6-96231b3b80d8