Use std::reference_wrapper instead of llvm::ReferenceStorage

Reviewed By: Bigcheese
Differential Revision: https://reviews.llvm.org/D49298


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@337444 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed