[clang] [Clang][Sema] Do not attempt to instantiate a deleted move constructor (PR #80959)

[via cfe-commits]

Sirraide wrote:

> which also begs the question as to what change actually caused this to break

Since I’m not sure how that is usually done here, is bisecting a reasonable approach? I’m asking because rebuilding a project the size of Clang unfortunately ends up taking a rather substantial amount of time...

https://github.com/llvm/llvm-project/pull/80959