Switch the serialization of LangOptions over to use the .def file. We
should no longer have the serialization of LangOptions out of sync
with the structure itself (yay).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139613 91177308-0d34-0410-b5e6-96231b3b80d8
7 files changed