Rename "ifaceWords" to "efaceWords", since we are defining
an empty interface.
Change-Id: I7151fb730a081a800e6dd28bcba831787ee9d6a2
Reviewed-on: https://go-review.googlesource.com/c/go/+/432815 Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: hopehook <hopehook@golangcn.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>