reflect: turn off allocation test if instrumentation is on
Help fix the asan builders.
Change-Id: I980f5171519643c3543bdefc6ea46fd0fca17c28
Reviewed-on: https://go-review.googlesource.com/c/go/+/674616 Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Keith Randall <khr@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>