Rename -Wself-assign-memvar to -Wself-assign-field to improve local consistency a bit.

(cf -Wunused-private-field and several other existing -field diagnostics.)



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159633 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed