Revert "cmd/compile: allow StructSelect [x] of interface data fields for x>0"
This reverts commit
bcd25c79aa5675d3e5d28c09715b8147906da006 (CL 693415)
Reason for revert: still causing compiler failures on Google test code
Change-Id: I887edcff56bde3ffa316f2b629021ad323a357fa
Reviewed-on: https://go-review.googlesource.com/c/go/+/694996
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>