Update test case so it passes the verifier

Update test case so it passes the verifier

Some debug info was drastically out of date, from the days where we used
to emit a list of length one (with a single null entry) rather than an
empty list (or, more recently, no list at all) for list fields that have
no elements.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245796 91177308-0d34-0410-b5e6-96231b3b80d8