[clang] RecursiveASTVisitor visits ObjCPropertyRefExpr's class receiver

We now make up a TypeLoc for the class receiver to simplify visiting,
notably for indexing, availability, and clangd.

Differential Revision: https://reviews.llvm.org/D101645

GitOrigin-RevId: 13a8aa3ee15a67048deeb193fe8b86005fdf9d10
2 files changed