internal/memoize: add a go:nocheckptr annotation to (*Store).get
internal/memoize: add a go:nocheckptr annotation to (*Store).get

Fixes golang/go#35125

Change-Id: I08251b94a44fbc2324f6edc883d9d687b45a00b0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/203078
Run-TryBot: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Matthew Dempsky <e56ac2c500064424afac424d4b5e53bd0570a731@google.com>

golang/tools,golang/tools,golang/tools,golang/tools,golang/tools