[dev.regabi] cmd/compile: disallow taking address of SSA'd values
Adds some extra validation that the frontend is setting flags like
Addrtaken correctly.
Change-Id: Iffde83e32ba1c4c917ab8cb3fe410a4f623cf635
Reviewed-on: https://go-review.googlesource.com/c/go/+/286434
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com> Reviewed-by: Keith Randall <khr@golang.org>