cmd/compile: do not shapify when reading reshaping expr
Fixes #71184
Change-Id: I22e7ae5203311e86a90502bfe155b0597007887d
Reviewed-on: https://go-review.googlesource.com/c/go/+/641955
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com> Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: David Chase <drchase@google.com>