ReadDir now returns files from directories in all matching mount
points if no Go files are present in any of them. The behavior now
matches the documentation.
Fixesgolang/go#34571
Change-Id: I3a0c8d49a5906ec33ebe9e3efea9d2b9d267506c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/197801
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Jay Conrod