tree 7ca68fb742508c859da0e4714b7d3f142f433f22
parent e9652bf15246d6e08e953b52cdb7812ddb8a43e0
author Douglas Gregor <dgregor@apple.com> 1349977314 +0000
committer Douglas Gregor <dgregor@apple.com> 1349977314 +0000

Introduce a simple "hint" scheme to eliminate the quadratic behavior
associated with deserializing macro history for an identifier.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165729 91177308-0d34-0410-b5e6-96231b3b80d8