It was integrated in such a way that it made devirtualization impossible, leading to allocations on every platform. It can be reintroduced according to AssemblyPolicy and TargetSpecific. Updates #64897 Change-Id: I3a4edc91185c2928b2c9b80655a2bc8daa6b44e3 Reviewed-on: https://go-review.googlesource.com/c/crypto/+/544816 Reviewed-by: Roland Shoemaker <roland@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com> Auto-Submit: Filippo Valsorda <filippo@golang.org> Reviewed-by: Cherry Mui <cherryyz@google.com>