type 'Null' is not a subtype of type 'Library' in type cast #171353
Description
Steps to reproduce
- Change the code.
- Flutter Hot Reload.
Expected results
build and hot-reload works without issue.
Actual results
type 'Null' is not a subtype of type 'Library' in type cast
Code sample
Code sample
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Logs
Performing hot restart...
Syncing files to device sdk gphone64 arm64...
Unhandled exception:
Crash when compiling:
type 'Null' is not a subtype of type 'Library' in type cast
#0 Class.enclosingLibrary (package:kernel/src/ast/declarations.dart:444)
#1 DillLoader.computeClassBuilderFromTargetClass (package:front_end/src/dill/dill_loader.dart:326)
#2 _TypeBuilderComputerHelper.visitInterfaceType (package:front_end/src/kernel/type_builder_computer.dart:117)
#3 InterfaceType.accept1 (package:kernel/src/ast/types.dart:951)
#4 _TypeBuilderComputerHelper.visit (package:front_end/src/kernel/type_builder_computer.dart:71)
#5 TypeBuilderComputer.visit (package:front_end/src/kernel/type_builder_computer.dart:33)
#6 DillLoader.computeTypeBuilder (package:front_end/src/dill/dill_loader.dart:353)
#7 new DillNominalParameterBuilder (package:front_end/src/dill/dill_type_parameter_builder.dart:39)
#8 computeTypeParameterBuilders (package:front_end/src/dill/dill_class_builder.dart:249)
#9 DillClassBuilder.typeParameters (package:front_end/src/dill/dill_class_builder.dart:108)
#10 _sortAllTypeParametersTopologicallyFromRoot (package:front_end/src/builder/type_parameter_builder.dart:357)
#11 sortAllTypeParametersTopologically (package:front_end/src/builder/type_parameter_builder.dart:340)
#12 SourceLoader.finishTypeParameters (package:front_end/src/source/source_loader.dart:1535)
#13 KernelTarget.buildOutlines.<anonymous closure> (package:front_end/src/kernel/kernel_target.dart:464)
#14 withCrashReporting (package:front_end/src/base/crash.dart:139)
#15 KernelTarget.buildOutlines (package:front_end/src/kernel/kernel_target.dart:411)
#16 IncrementalCompiler.computeDelta.<anonymous closure> (package:front_end/src/base/incremental_compiler.dart:371)
<asynchronous suspension>
#17 CompilerContext.clear (package:front_end/src/base/compiler_context.dart:77)
<asynchronous suspension>
#18 IncrementalCompiler.compile (package:vm/incremental_compiler.dart:86)
<asynchronous suspension>
#19 FrontendCompiler.recompileDelta (package:frontend_server/frontend_server.dart:1031)
<asynchronous suspension>
#20 listenAndCompile.<anonymous closure> (package:frontend_server/frontend_server.dart:1497)
<asynchronous suspension>
the Dart compiler exited unexpectedly.
the Dart compiler exited unexpectedly.
the Dart compiler exited unexpectedly.
Flutter Doctor output
Doctor output
[✓] Flutter (Channel stable, 3.32.5, on macOS 15.5 24F74 darwin-arm64, locale zh-Hans-CN)
[✓] Android toolchain - develop for Android devices (Android SDK version 35.0.0)
[✓] Xcode - develop for iOS and macOS (Xcode 16.0)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2024.3)
[✓] IntelliJ IDEA Community Edition (version 2023.1)
[✓] VS Code (version 1.91.1)
[✓] Connected device (3 available)