Revert r120808, my previous implementation of caching for the linkage
and visibility of declarations, because it was extremely messy and it
increased the size of NamedDecl.

An improved implementation is forthcoming.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121012 91177308-0d34-0410-b5e6-96231b3b80d8
8 files changed