[Kernel] Signal errors on static fields in constant contexts

Fasta allows some non-const static field access in constant contexts
which leads to the constant evaluator trying to evaluate them.  Signal
an error instead of crashing.  This will double-report errors for the
cases that Fasta already catches, and we should fix that
double-reporting.

Fix unbounded recursion in printing unevaluated constants (writeNode
called visitUnevaluatedConstant which called defaultConstant which
called writeNode...).

Fix a spurious trailing comma in printing of instance constants.

Change-Id: Idff3169a3a56432ad67c27ff9c267ef355c4c1dc
Reviewed-on: https://dart-review.googlesource.com/c/89514
Commit-Queue: Kevin Millikin <kmillikin@google.com>
Reviewed-by: Aske Simon Christensen <askesc@google.com>
5 files changed
tree: f1480580c9688e3e7e4273a2aba4ffb26f16731b
  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. .vpython
  22. AUTHORS
  23. BUILD.gn
  24. CHANGELOG.md
  25. codereview.settings
  26. CONTRIBUTING.md
  27. dartdoc_options.yaml
  28. DEPS
  29. LICENSE
  30. PATENTS
  31. PRESUBMIT.py
  32. README.dart-sdk
  33. README.md
  34. WATCHLISTS
README.md

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