GitLab

cmd/internal/obj reconverted using rsc.io/c2go rev 40275b8.

All Prog*s need Ctxt field set so that the printer can tell
which architecture the Prog belongs to.
Use ctxt.NewProg consistently for this.

Change-Id: Ic981b3d68f24931ffae74a772e83a3dc2fdf518a
Reviewed-on: https://go-review.googlesource.com/3152

Reviewed-by: Rob Pike <r@golang.org>