[vm/tfa] Streamline handling of tear-offs in TFA

When building a summary, instead of adding a raw call for a torn off
method immediatelly, add a call with PropertyGet kind.
Calls of methods with PropertyGet kind are already handled as
they could appear from dynamic calls.

This has the following advantages:

* Duplicated handling of tear-offs is removed. Now only
  _DirectInvocation._processFunction handles tear-offs, both from
  dynamic and non-dynamic calls.

* This change allow us to more accurately figure out whether the
  tear-off was taken from a particular method, as tear-offs of
  interface methods are now routed through a dispatchable call which
  figures out targets.

Change-Id: I49692577728c03285cb22863c53e4ea3cdd2ab5e
Reviewed-on: https://dart-review.googlesource.com/75386
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
5 files changed
tree: d3deec3fcb1fcd59aee992b42ab27fa62a105c3f
  1. .github/
  2. build/
  3. client/
  4. docs/
  5. pkg/
  6. runtime/
  7. samples/
  8. samples-dev/
  9. sdk/
  10. tests/
  11. third_party/
  12. tools/
  13. utils/
  14. .clang-format
  15. .gitattributes
  16. .gitconfig
  17. .gitignore
  18. .gn
  19. .mailmap
  20. .packages
  21. AUTHORS
  22. BUILD.gn
  23. CHANGELOG.md
  24. codereview.settings
  25. CONTRIBUTING.md
  26. dartdoc_options.yaml
  27. DEPS
  28. LICENSE
  29. PATENTS
  30. PRESUBMIT.py
  31. README.dart-sdk
  32. README.md
  33. WATCHLISTS
README.md

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