cmd/compile: remove PDISCARD class

This pseudo-Class was previously used by the importer code to optimize
processing duplicate inline bodies, since we didn't actually care
about the declarations in those contexts.

This functionality is no longer needed with indexed exports, since we
now only process function bodies as needed (and never more than once).

Passes toolstash-check.

Change-Id: I7eab0cb16925ab777079c2a20731dbcfd63cf195
Reviewed-on: https://go-review.googlesource.com/c/go/+/200899
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
3 files changed
tree: d151838b8a82161010c97aa67741f7edc2510fe4
  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
  18. SECURITY.md
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