internal/unify: fix Summands for sum of sums

Right now, Closure.Summands only iterates over a top-level sum. Fix it
so it can handle sums of sums. This is going to start coming up since
!imports tend to lead to sums of sums.

Change-Id: Ie67ced083d6d5b814e3ad77b089c4adb2591c568
Reviewed-on: https://go-review.googlesource.com/c/arch/+/693343
Auto-Submit: Austin Clements <austin@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
1 file changed
tree: 7c3f23d8e46cfea910286fd1387868f165c8e59f
  1. arm/
  2. arm64/
  3. internal/
  4. loong64/
  5. ppc64/
  6. riscv64/
  7. s390x/
  8. x86/
  9. codereview.cfg
  10. CONTRIBUTING.md
  11. go.mod
  12. go.sum
  13. LICENSE
  14. PATENTS
  15. README.md
README.md

arch

Go Reference

This repository holds machine architecture information used by the Go toolchain. The parts needed in the main Go repository are copied in.

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