Revert r351138 "[ORC] Move ORC Core symbol map and set types into their own
header: CoreTypes.h."

This commit broke some bots. Reverting while I investigate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351195 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed