Fix PR 4988 by removing an invalid assertion (a function can be referenced in
GRExprEngine::VisitDeclRefExpr without 'asLValue' being true).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82598 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed