Always name the return place. MIR opts more and more consider `_0` as just another local, so there is no point in keeping the special case in debug-info logic.
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.
Always name the return place. MIR opts more and more consider `_0` as just another local, so there is no point in keeping the special case in debug-info logic.
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.