We can just use Checker.use, as long as we take care of blank (_)
identifiers that may appear of the LHS of assignments. It's ok to
"use" non-blank variables in case of an error, even on the LHS.
This makes this code match the types2 implementation.
Change-Id: Ied9b9802ecb63912631bbde1dc6993ae855a691b
Reviewed-on: https://go-review.googlesource.com/c/go/+/477895 Reviewed-by: Robert Griesemer <gri@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Robert Findley <rfindley@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>