Simplify InstrProfRecord tests, eliminating named temporaries in favor of braced init args

This will also simplify an API transition and class renaming coming
soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307236 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed