cmd/compile/internal/ssa: fix typos in comment and log
Change-Id: Ic872bac2989ea1c83f31456eb334e6d756ebd7d1
GitHub-Last-Rev:
d4098849791d510b9a1f21c3fbce395cd75a04c3
GitHub-Pull-Request: golang/go#66612
Reviewed-on: https://go-review.googlesource.com/c/go/+/575296
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: qiulaidongfeng <2645477756@qq.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Keith Randall <khr@golang.org>