Implementing parsing and resolution of module export declarations
within module maps, which will (eventually) be used to re-export a
module from another module. There are still some pieces missing,
however.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145665 91177308-0d34-0410-b5e6-96231b3b80d8
8 files changed