Infinite loop while performing task ResolveInstanceFieldsInUnitTask for analyzer.dart

[alexander-doroshko]

Originally reported by @Andersmholmgren in WebStorm's issue tracker. The project is open-source, see links in WebStorm's issue.

See IntelliJ IDEA log with Analysis Server traces: idea.log.txt.
Part of the trace pasted here:

Dart analysis server, SDK version 1.16.0-dev.1.0, server version 1.15.0, error: Task failed: ResolveInstanceFieldsInUnitTask for source /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/plugin/engine_plugin.dart
Infinite loop while performing task ResolveInstanceFieldsInUnitTask for /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/plugin/engine_plugin.dart in /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/plugin/engine_plugin.dart
  Dependency Cycle:
    Run ResolveInstanceFieldsInUnitTask on /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/analyzer.dart in /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/analyzer.dart
    Run InferStaticVariableTypesInUnitTask on /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/analyzer.dart in /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/analyzer.dart
    Run PartiallyResolveUnitReferencesTask on /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/analyzer.dart in /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/analyzer.dart
    Run InferInstanceMembersInUnitTask on /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/plugin/engine_plugin.dart in /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/plugin/engine_plugin.dart
    Run ResolveInstanceFieldsInUnitTask on /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/plugin/engine_plugin.dart in /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/plugin/engine_plugin.dart
...
  Cyclic Path:
    CREATED_RESOLVED_UNIT9 for /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/plugin/engine_plugin.dart in /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/plugin/engine_plugin.dart
    CREATED_RESOLVED_UNIT9 for /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/task/dart_work_manager.dart in /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/task/dart_work_manager.dart
    CREATED_RESOLVED_UNIT9 for /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/plugin/engine_plugin.dart in /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/plugin/engine_plugin.dart
    INFERABLE_STATIC_VARIABLES_IN_UNIT for /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/string_source.dart in /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/string_source.dart
    CREATED_RESOLVED_UNIT7 for /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/string_source.dart in /Users/blah/.pub-cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib/src/string_source.dart

[scheglov]

I think this is fixed now with bc8b321.