[llvm-branch-commits] [clang] release/22.x: [clang-repl] Create virtual files for `input_line_N` buffers (#182044) (PR #184600)

[Vassil Vassilev via llvm-branch-commits]

vgvassilev wrote:

This actually fixes a downstream client issue we saw in https://github.com/compiler-research/CppInterOp/pull/830 I think the feature is well-constrained around incremental c++ and the risk of breaking anything should be low.

https://github.com/llvm/llvm-project/pull/184600