[vm/tfa] Infer concrete class of int literals in TFA

Teach TFA that small integer literals, which fit into Smi on all
platforms have a concrete class _Smi.

Change-Id: I4aec5389fc0a83f36077c1f1c0c9a5e59ff4b260
Reviewed-on: https://dart-review.googlesource.com/76302
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
11 files changed
tree: e55d2d202bb51d099fc24612a777a48fcc178a01
  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
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