[clang] Fixing array-to-pointer decay induced issue with conversion of the multidimentional arrays in C language. (PR #159896)

[Corentin Jabot via cfe-commits]

https://github.com/cor3ntin requested changes to this pull request.

This is more a language design level feature than a fix - lets have the discussion on the linked issue (I did not look at the specifics of the code)

https://github.com/llvm/llvm-project/pull/159896