Implement DenseMapInfo for Selector, allowing use of DenseMap/DenseSet of
Selector's instead of requiring void* to be used.  I converted one use of
DenseSet<void*> over to use DenseSet<Selector> but the others should change
as well.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42645 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed