cmd/compile: update comment for initLimit in prove pass
For: #70156
Change-Id: Ie39a88130f27b4b210ddbcf396cc0ddd2713d58b
Reviewed-on: https://go-review.googlesource.com/c/go/+/624855 Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>