Revert "runtime: remove the pc field of _defer struct"
This reverts commit
361d51a6b58bccaab0559e06737c918018a7a5fa.
Reason for revert: Breaks some tests inside Google (on arm64?)
Change-Id: Iaea45fdcf9b4f9d36553687ca7f479750fe559da
Reviewed-on: https://go-review.googlesource.com/c/go/+/718066
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Youlin Feng <fengyoulin@live.com>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>