Adrian Prantl 0227fe59a9 Make DIExpression::createFragmentExpression() return an Optional.
We can't safely split arithmetic into multiple fragments because we
can't express carry-over between fragments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@317534 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-07 00:45:34 +00:00
..