[migrate] Bad state: Unrelated types: double, List<E>

[jifalops]

Ran into this while migrating from 2.11. Reproducible via https://github.com/jifalops/geomag/tree/c3d26f7c207ce0e5502e94ce4fabe61042ebfbc7

Bad state: Unrelated types: abstract class double extends num and abstract class List implements EfficientLengthIterable

Bad state: Unrelated types: abstract class double extends num and abstract class List implements EfficientLengthIterable at offset 1740 in /home/jacob/code/geomag/lib/src/geomag.dart (z.sublist(1))

#0 DecoratedClassHierarchy.getDecoratedSupertype (package:nnbd_migration/src/decorated_class_hierarchy.dart:67:10)
#1 DecoratedClassHierarchy.asInstanceOf (package:nnbd_migration/src/decorated_class_hierarchy.dart:38:18)
#2 EdgeBuilder.getOrComputeElementType (package:nnbd_migration/src/edge_builder.dart:259:16)
#3 EdgeBuilder.visitMethodInvocation (package:nnbd_migration/src/edge_builder.dart:1284:20)
#4 MethodInvocationImpl.accept (package:analyzer/src/dart/ast/ast.dart:7186:49)
#5 EdgeBuilder._dispatch (package:nnbd_migration/src/edge_builder.dart:2207:24)
#6 EdgeBuilder._handleAssignment (package:nnbd_migration/src/edge_builder.dart:2329:20)
#7 EdgeBuilder._handleCollectionElement (package:nnbd_migration/src/edge_builder.dart:2436:14)
#8 ListMixin.forEach (dart:collection/list.dart:86:13)
#9 EdgeBuilder.visitListLiteral (package:nnbd_migration/src/edge_builder.dart:1224:21)
#10 ListLiteralImpl.accept (package:analyzer/src/dart/ast/ast.dart:6757:49)
#11 EdgeBuilder._dispatch (package:nnbd_migration/src/edge_builder.dart:2207:24)
#12 EdgeBuilder._handleAssignment (package:nnbd_migration/src/edge_builder.dart:2329:20)
#13 EdgeBuilder.visitVariableDeclarationList (package:nnbd_migration/src/edge_builder.dart:1924:11)
#14 VariableDeclarationListImpl.accept (package:analyzer/src/dart/ast/ast.dart:10655:15)
#15 EdgeBuilder._dispatch (package:nnbd_migration/src/edge_builder.dart:2207:24)
#16 EdgeBuilder.visitNode (package:nnbd_migration/src/edge_builder.dart:1340:9)
#17 GeneralizingAstVisitor.visitStatement (package:analyzer/dart/ast/visitor.dart:517:39)
#18 GeneralizingAstVisitor.visitVariableDeclarationStatement (package:analyzer/dart/ast/visitor.dart:589:7)
#19 VariableDeclarationStatementImpl.accept (package:analyzer/src/dart/ast/ast.dart:10705:15)
#20 EdgeBuilder._dispatch (package:nnbd_migration/src/edge_builder.dart:2207:24)
#21 EdgeBuilder.visitNode (package:nnbd_migration/src/edge_builder.dart:1340:9)
#22 GeneralizingAstVisitor.visitStatement (package:analyzer/dart/ast/visitor.dart:517:39)
#23 GeneralizingAstVisitor.visitBlock (package:analyzer/dart/ast/visitor.dart:165:31)
#24 BlockImpl.accept (package:analyzer/src/dart/ast/ast.dart:1083:49)
#25 EdgeBuilder._dispatch (package:nnbd_migration/src/edge_builder.dart:2207:24)
#26 EdgeBuilder.visitNode (package:nnbd_migration/src/edge_builder.dart:1340:9)
#27 GeneralizingAstVisitor.visitFunctionBody (package:analyzer/dart/ast/visitor.dart:324:45)
#28 GeneralizingAstVisitor.visitBlockFunctionBody (package:analyzer/dart/ast/visitor.dart:168:55)
#29 BlockFunctionBodyImpl.accept (package:analyzer/src/dart/ast/ast.dart:1038:49)
#30 EdgeBuilder._dispatch (package:nnbd_migration/src/edge_builder.dart:2207:24)
#31 EdgeBuilder._handleExecutableDeclaration (package:nnbd_migration/src/edge_builder.dart:2488:7)
#32 EdgeBuilder.visitMethodDeclaration (package:nnbd_migration/src/edge_builder.dart:1243:5)
#33 MethodDeclarationImpl.accept (package:analyzer/src/dart/ast/ast.dart:7033:49)
#34 EdgeBuilder._dispatch (package:nnbd_migration/src/edge_builder.dart:2207:24)
#35 EdgeBuilder._dispatchList (package:nnbd_migration/src/edge_builder.dart:2229:7)
#36 EdgeBuilder.visitClassOrMixinOrExtensionDeclaration (package:nnbd_migration/src/edge_builder.dart:607:7)
#37 EdgeBuilder.visitClassDeclaration (package:nnbd_migration/src/edge_builder.dart:574:5)
#38 ClassDeclarationImpl.accept (package:analyzer/src/dart/ast/ast.dart:1536:49)
#39 EdgeBuilder._dispatch (package:nnbd_migration/src/edge_builder.dart:2207:24)
#40 EdgeBuilder.visitNode (package:nnbd_migration/src/edge_builder.dart:1340:9)
#41 GeneralizingAstVisitor.visitCompilationUnit (package:analyzer/dart/ast/visitor.dart:202:51)
#42 CompletenessTracker.visitCompilationUnit. (package:nnbd_migration/src/utilities/completeness_tracker.dart:52:24)
#43 PermissiveModeVisitor.reportExceptionsIfPermissive (package:nnbd_migration/src/utilities/permissive_mode.dart:26:24)
#44 CompletenessTracker.visitCompilationUnit (package:nnbd_migration/src/utilities/completeness_tracker.dart:43:5)
#45 CompilationUnitImpl.accept (package:analyzer/src/dart/ast/ast.dart:2134:49)
#46 NullabilityMigrationImpl.processInput (package:nnbd_migration/src/nullability_migration_impl.dart:244:12)
#47 NonNullableFix.processUnit (package:nnbd_migration/src/front_end/non_nullable_fix.dart:164:15)
#48 _FixCodeProcessor.runLaterPhases. (package:nnbd_migration/migration_cli.dart:1154:19)
#49 _FixCodeProcessor.runLaterPhases. (package:nnbd_migration/migration_cli.dart:1152:28)
#50 _FixCodeProcessor.processResources (package:nnbd_migration/migration_cli.dart:1081:30)

#51 _FixCodeProcessor.runLaterPhases (package:nnbd_migration/migration_cli.dart:1152:5)

#52 MigrationCliRunner.run (package:nnbd_migration/migration_cli.dart:749:24)

#53 MigrateCommand.run (package:nnbd_migration/migration_cli.dart:185:7)

#54 CommandRunner.runCommand (package:args/command_runner.dart:196:13)

#55 DartdevRunner.runCommand (package:dartdev/dartdev.dart:199:18)

#56 runDartdev (package:dartdev/dartdev.dart:53:16)

#57 main (file:///b/s/w/ir/cache/builder/src/third_party/dart/pkg/dartdev/bin/dartdev.dart:11:3)

Dart SDK version: 2.12.0 (stable) (Thu Feb 25 19:50:53 2021 +0100) on "linux_x64"

[stereotype441]

As of 1c7fe71, the null safety migration tool has been removed from active development and retired. No further work on the tool is planned.

If you still need help, or you believe this issue has been closed in error, please feel free to reopen.