[TableGen] Merge the SuperClass Record and SMRange vector into a single vector. This removes the state needed to manage the extra vector thus reducing the size of the Record class. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258065 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed