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I'm getting Stack Overflow error when compiling the following code:
import 'package:flutter/foundation.dart';
void main() { print(valuesEqual(1, 2)); }
bool valuesEqual(T? v1, T? v2) { return ((v1 == v2) || ((v1 is List) && (v2 is List) && listEquals(v1, v2))); }
$ dart --version Dart SDK version: 2.12.0-76.0.dev (dev) (Wed Nov 25 05:22:28 2020 -0800) on "linux_x64"
at character offset 120: Stack Overflow #0 isTypeParameterTypeWithoutNullabilityMarker (package:kernel/type_algebra.dart:1051:1) #1 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:377:9) #2 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #3 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #4 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #5 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #6 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #7 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #8 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #9 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #10 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #11 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #12 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #13 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #14 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #15 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #16 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #17 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #18 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #19 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #20 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #21 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #22 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #23 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #24 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #25 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #26 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #27 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #28 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #29 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #30 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #31 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #32 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #33 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #34 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #35 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #36 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #37 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #38 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #39 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #40 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #41 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #42 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) #43 TypeConstraintGatherer._isNullabilityAwareSubtypeMatch (package:front_end/src/fasta/type_inference/type_constraint_gatherer.dart:551:11) ... ... #3909 TypeInferrerImpl._inferInvocation (package:front_end/src/fasta/type_inference/type_inferrer.dart:2133:29) #3910 TypeInferrerImpl.inferInvocation (package:front_end/src/fasta/type_inference/type_inferrer.dart:1849:12) #3911 InferenceVisitor.visitStaticInvocation (package:front_end/src/fasta/kernel/inference_visitor.dart:5296:49) #3912 StaticInvocation.accept1 (package:kernel/ast.dart:4070:9) #3913 TypeInferrerImpl._inferExpression (package:front_end/src/fasta/type_inference/type_inferrer.dart:1737:27) #3914 TypeInferrerImpl.inferExpression (package:front_end/src/fasta/type_inference/type_inferrer.dart:1770:40) #3915 InferenceVisitor.visitLogicalExpression (package:front_end/src/fasta/kernel/inference_visitor.dart:1782:54) #3916 LogicalExpression.accept1 (package:kernel/ast.dart:4309:9) #3917 TypeInferrerImpl._inferExpression (package:front_end/src/fasta/type_inference/type_inferrer.dart:1737:27) #3918 TypeInferrerImpl.inferExpression (package:front_end/src/fasta/type_inference/type_inferrer.dart:1770:40) #3919 InferenceVisitor.visitLogicalExpression (package:front_end/src/fasta/kernel/inference_visitor.dart:1782:54) #3920 LogicalExpression.accept1 (package:kernel/ast.dart:4309:9) #3921 TypeInferrerImpl._inferExpression (package:front_end/src/fasta/type_inference/type_inferrer.dart:1737:27) #3922 TypeInferrerImpl.inferExpression (package:front_end/src/fasta/type_inference/type_inferrer.dart:1770:40) #3923 InferenceVisitor.visitReturnStatement (package:front_end/src/fasta/kernel/inference_visitor.dart:5150:61) #3924 ReturnStatement.accept (package:kernel/ast.dart:6677:43) #3925 InferenceVisitor._visitStatements (package:front_end/src/fasta/kernel/inference_visitor.dart:3262:6) #3926 InferenceVisitor.visitBlock (package:front_end/src/fasta/kernel/inference_visitor.dart:288:30) #3927 Block.accept (package:kernel/ast.dart:5939:43) #3928 TypeInferrerImpl.inferFunctionBody (package:front_end/src/fasta/type_inference/type_inferrer.dart:3274:24) #3929 BodyBuilder.finishFunction (package:front_end/src/fasta/kernel/body_builder.dart:991:28) #3930 DietListener.buildFunctionBody (package:front_end/src/fasta/source/diet_listener.dart:955:14) #3931 DietListener.endTopLevelMethod (package:front_end/src/fasta/source/diet_listener.dart:358:5) #3932 Parser.parseTopLevelMethod (package:_fe_analyzer_shared/src/parser/parser_impl.dart:2743:14) #3933 Parser.parseTopLevelMemberImpl (package:_fe_analyzer_shared/src/parser/parser_impl.dart:2534:14) #3934 Parser.parseTopLevelDeclarationImpl (package:_fe_analyzer_shared/src/parser/parser_impl.dart:501:14) #3935 Parser.parseUnit (package:_fe_analyzer_shared/src/parser/parser_impl.dart:356:15) #3936 SourceLoader.buildBody (package:front_end/src/fasta/source/source_loader.dart:458:14) #3937 _rootRunUnary (dart:async/zone.dart:1194:47) #3938 _CustomZone.runUnary (dart:async/zone.dart:1097:19) #3939 _FutureListener.handleValue (dart:async/future_impl.dart:150:18) #3940 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:703:45) #3941 Future._propagateToListeners (dart:async/future_impl.dart:732:32) #3942 Future._completeWithValue (dart:async/future_impl.dart:536:5) #3943 Future._asyncCompleteWithValue.<anonymous closure> (dart:async/future_impl.dart:574:7) #3944 _rootRun (dart:async/zone.dart:1186:13) #3945 _CustomZone.run (dart:async/zone.dart:1090:19) #3946 _CustomZone.bindCallback.<anonymous closure> (dart:async/zone.dart:1018:23) #3947 _microtaskLoop (dart:async/schedule_microtask.dart:41:21) #3948 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5) #3949 _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:120:13) #3950 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:185:5) #0 DietListener.buildFunctionBody (package:front_end/src/fasta/source/diet_listener.dart:998:7) #1 DietListener.endTopLevelMethod (package:front_end/src/fasta/source/diet_listener.dart:358:5) #2 Parser.parseTopLevelMethod (package:_fe_analyzer_shared/src/parser/parser_impl.dart:2743:14) #3 Parser.parseTopLevelMemberImpl (package:_fe_analyzer_shared/src/parser/parser_impl.dart:2534:14) #4 Parser.parseTopLevelDeclarationImpl (package:_fe_analyzer_shared/src/parser/parser_impl.dart:501:14) #5 Parser.parseUnit (package:_fe_analyzer_shared/src/parser/parser_impl.dart:356:15) #6 SourceLoader.buildBody (package:front_end/src/fasta/source/source_loader.dart:458:14) <asynchronous suspension> #7 Loader.buildBodies (package:front_end/src/fasta/loader.dart:240:9) <asynchronous suspension> #8 KernelTarget.buildComponent.<anonymous closure> (package:front_end/src/fasta/kernel/kernel_target.dart:392:7) <asynchronous suspension> #9 withCrashReporting (package:front_end/src/fasta/crash.dart:120:12) <asynchronous suspension> #10 generateKernelInternal.<anonymous closure> (package:front_end/src/kernel_generator_impl.dart:161:19) <asynchronous suspension> #11 withCrashReporting (package:front_end/src/fasta/crash.dart:120:12) <asynchronous suspension> #12 generateKernel.<anonymous closure> (package:front_end/src/kernel_generator_impl.dart:51:12) <asynchronous suspension> #13 generateKernel (package:front_end/src/kernel_generator_impl.dart:50:10) <asynchronous suspension> #14 kernelForModule (package:front_end/src/api_prototype/kernel_generator.dart:97:11) <asynchronous suspension> #15 SingleShotCompilerWrapper.compileInternal (file:///b/s/w/ir/cache/builder/src/third_party/dart/pkg/vm/bin/kernel_service.dart:377:11) <asynchronous suspension> #16 Compiler.compile.<anonymous closure> (file:///b/s/w/ir/cache/builder/src/third_party/dart/pkg/vm/bin/kernel_service.dart:197:45) <asynchronous suspension> #17 _processLoadRequest (file:///b/s/w/ir/cache/builder/src/third_party/dart/pkg/vm/bin/kernel_service.dart:843:37) <asynchronous suspension>```
The text was updated successfully, but these errors were encountered:
@franklinyow - based on the stack trace this is likely an area front end issue.
Sorry, something went wrong.
@devoncarew thanks!
cc @stefantsov
0642e7a
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I'm getting Stack Overflow error when compiling the following code:
import 'package:flutter/foundation.dart';
void main() {
print(valuesEqual(1, 2));
}
bool valuesEqual(T? v1, T? v2) {
return ((v1 == v2) || ((v1 is List) && (v2 is List) && listEquals(v1, v2)));
}
$ dart --version
Dart SDK version: 2.12.0-76.0.dev (dev) (Wed Nov 25 05:22:28 2020 -0800) on "linux_x64"
The text was updated successfully, but these errors were encountered: