Missing copyright header

[Thomas Schwinge]

Hi Owen!

On 2026-08-15T23:14:23-0400, Owen Avery <powerboat9.gamer@gmail.com> wrote:
> It looks like gcc/rust/typecheck/rust-tyty-variance-analysis.cc is 
> missing a copyright header.

Also other files added in commit d8cd08d30e0d9bfa02f29493352bac041659df7f
"gccrs: TyTy: Variance analysis module":

  - 'gcc/rust/typecheck/rust-tyty-variance-analysis-private.h'
  - 'gcc/rust/typecheck/rust-tyty-variance-analysis.cc'
  - 'gcc/rust/typecheck/rust-tyty-variance-analysis.h'

> Should I add one dated to 2026, or one 
> backdated to 2024-2026?

I'd do backdated: "2024-2026".


Grüße
 Thomas