Note that racebuild fails when trying to test the .syso, because the
Go runtime doesn't think we support s390x race yet. But it builds the
.syso as a side effect which I grabbed. There's something of a
chicken-and-egg bootstrapping problem here, unfortunately.
Change-Id: Ibc6d04fd3a9bfb3224d08e8b78dcf09bb139a59d
Reviewed-on: https://go-review.googlesource.com/c/go/+/401714
Run-TryBot: Keith Randall <khr@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Reviewed-by: Jonathan Albrecht <jonathan.albrecht@ibm.com>