go/types: clarify that contexts do not guarantee deduplication
Documentation around the use of types.Context is unclear about whether
contexts guarantee deduplication of identical instances. Add explicit
disclaimers that this is not the case.
Fixes golang/go#51680
Change-Id: I6651587315d3cbf9e8d70a69d3e2ec5cedd00da5
Reviewed-on: https://go-review.googlesource.com/c/go/+/396536
Trust: Robert Findley <rfindley@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@golang.org>