now that all the decl reference and creation stuff is going through two
very simple places, reimplement the deferred decl emission logic to not be O(N^2),
fixing PR3810.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67447 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed