cmd/compile: add newnamel, use in tempAt

newnamel is newname but with no dependency on lineno or Curfn.
This makes it suitable for use in a concurrent back end.
Use it now to make tempAt global-free.

The decision to push the assignment to n.Name.Curfn
to the caller of newnamel is based on mdempsky's
comments in #19683 that he'd like to do that
for callers of newname as well.

Passes toolstash-check. No compiler performance impact.

Updates #19683
Updates #15756

Change-Id: Idc461a1716916d268c9ff323129830d9a6e4a4d9
Reviewed-on: https://go-review.googlesource.com/39191
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
2 files changed
tree: 167547af651abadc5fcab8e3f104d0979ed12dce
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. AUTHORS
  11. CONTRIBUTING.md
  12. CONTRIBUTORS
  13. favicon.ico
  14. LICENSE
  15. PATENTS
  16. README.md
  17. robots.txt
README.md

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