[frontend] When creating nested Scope, make setter mutable map.

This fixes dartbug.com/33087 that is caused by the fact setter map is defined as const, i.e. as immutable.

Bug: dartbug.com/33087
Change-Id: I311869e1a3f3889346b8b7f01c184f0cf3c8694a
Reviewed-on: https://dart-review.googlesource.com/62729
Reviewed-by: Jens Johansen <jensj@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>
1 file changed
tree: 29bf360d8c42b697329a83e6e0f16bcc30e7bfde
  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. dartdoc_options.yaml
  26. DEPS
  27. LICENSE
  28. PATENTS
  29. PRESUBMIT.py
  30. README.dart-sdk
  31. README.md
  32. WATCHLISTS
README.md

Dart

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