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Parser crash on bad function type syntax #35035

Closed
askeksa-google opened this issue Nov 2, 2018 · 3 comments
Closed

Parser crash on bad function type syntax #35035

askeksa-google opened this issue Nov 2, 2018 · 3 comments
Assignees
@peter-ahe-google
Labels
area-front-end Use area-front-end for front end / CFE / kernel format related issues. crash Process exits with SIGSEGV, SIGABRT, etc. An unhandled exception is not a crash. front-end-fasta
Milestone
Dart 2.1.1

Comments

@askeksa-google
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This (reasonable) attempt at writing a function type taking a named parameter:

void Function({obj: Object}) x;

crashes the parser with this output:

junk/function_type_crash.dart:2:19: Error: Expected an identifier, but got ':'.
void Function({obj: Object}) x;
                  ^
junk/function_type_crash.dart:2:19: Error: Can't have a default value in a function type.
void Function({obj: Object}) x;
                  ^
Unhandled exception:
Crash when compiling file:///usr/local/google/home/askesc/dart-sdk/sdk/junk/function_type_crash.dart,
at character offset null:
type 'ParserRecovery' is not a subtype of type 'Identifier'
#0      BodyBuilder.handleValuedFormalParameter (package:front_end/src/fasta/kernel/body_builder.dart:2684:16)
#1      Parser.parseFormalParameter (package:front_end/src/fasta/parser/parser.dart:1424:16)
#2      Parser.parseOptionalNamedParameters (package:front_end/src/fasta/parser/parser.dart:1512:11)
#3      Parser.parseFormalParameters (package:front_end/src/fasta/parser/parser.dart:1182:17)
#4      Parser.parseFormalParametersRequiredOpt (package:front_end/src/fasta/parser/parser.dart:1156:12)
#5      ComplexTypeInfo.parseType (package:front_end/src/fasta/parser/type_info_impl.dart:389:22)
#6      Parser.parseFields (package:front_end/src/fasta/parser/parser.dart:2231:28)
#7      Parser.parseTopLevelMemberImpl (package:front_end/src/fasta/parser/parser.dart:2198:12)
#8      Parser.parseTopLevelMember (package:front_end/src/fasta/parser/parser.dart:2055:12)
#9      DietListener.parseFields (package:front_end/src/fasta/source/diet_listener.dart:843:22)
#10     DietListener.buildFields (package:front_end/src/fasta/source/diet_listener.dart:654:5)
#11     DietListener.endTopLevelFields (package:front_end/src/fasta/source/diet_listener.dart:315:5)
#12     Parser.parseFields (package:front_end/src/fasta/parser/parser.dart:2248:16)
#13     Parser.parseTopLevelMemberImpl (package:front_end/src/fasta/parser/parser.dart:2198:12)
#14     Parser.parseTopLevelDeclarationImpl (package:front_end/src/fasta/parser/parser.dart:481:14)
#15     Parser.parseUnit (package:front_end/src/fasta/parser/parser.dart:336:15)
#16     SourceLoader.buildBody (package:front_end/src/fasta/source/source_loader.dart:253:14)
<asynchronous suspension>
#17     Loader.buildBodies (package:front_end/src/fasta/loader.dart:182:15)
<asynchronous suspension>
#18     KernelTarget.buildComponent.<anonymous closure> (package:front_end/src/fasta/kernel/kernel_target.dart:307:20)
<asynchronous suspension>
#19     withCrashReporting (package:front_end/src/fasta/crash.dart:122:24)
<asynchronous suspension>
#20     KernelTarget.buildComponent (package:front_end/src/fasta/kernel/kernel_target.dart:305:12)
<asynchronous suspension>
#21     CompileTask.compile (file:///usr/local/google/home/askesc/dart-sdk/sdk/pkg/front_end/tool/_fasta/entry_points.dart:260:28)
<asynchronous suspension>
#22     compile.<anonymous closure>.<anonymous closure> (file:///usr/local/google/home/askesc/dart-sdk/sdk/pkg/front_end/tool/_fasta/entry_points.dart:213:25)
<asynchronous suspension>
#23     withGlobalOptions.<anonymous closure> (file:///usr/local/google/home/askesc/dart-sdk/sdk/pkg/front_end/tool/_fasta/command_line.dart:458:13)
#24     CompilerContext.runWithOptions.<anonymous closure> (package:front_end/src/fasta/compiler_context.dart:132:20)
<asynchronous suspension>
#25     CompilerContext.runInContext.<anonymous closure>.<anonymous closure> (package:front_end/src/fasta/compiler_context.dart:120:46)
#26     new Future.sync (dart:async/future.dart:224:31)
#27     CompilerContext.runInContext.<anonymous closure> (package:front_end/src/fasta/compiler_context.dart:120:19)
#28     _rootRun (dart:async/zone.dart:1124:13)
#29     _CustomZone.run (dart:async/zone.dart:1021:19)
#30     _runZoned (dart:async/zone.dart:1516:10)
#31     runZoned (dart:async/zone.dart:1463:12)
#32     CompilerContext.runInContext (package:front_end/src/fasta/compiler_context.dart:119:12)
#33     CompilerContext.runWithOptions (package:front_end/src/fasta/compiler_context.dart:130:10)
#34     withGlobalOptions (file:///usr/local/google/home/askesc/dart-sdk/sdk/pkg/front_end/tool/_fasta/command_line.dart:451:26)
#35     compile.<anonymous closure> (file:///usr/local/google/home/askesc/dart-sdk/sdk/pkg/front_end/tool/_fasta/entry_points.dart:206:18)
<asynchronous suspension>
#36     runProtectedFromAbort (file:///usr/local/google/home/askesc/dart-sdk/sdk/pkg/front_end/tool/_fasta/command_line.dart:506:24)
<asynchronous suspension>
#37     compile (file:///usr/local/google/home/askesc/dart-sdk/sdk/pkg/front_end/tool/_fasta/entry_points.dart:205:16)
<asynchronous suspension>
#38     compileEntryPoint (file:///usr/local/google/home/askesc/dart-sdk/sdk/pkg/front_end/tool/_fasta/entry_points.dart:69:11)
<asynchronous suspension>
#39     main (file:///usr/local/google/home/askesc/dart-sdk/sdk/pkg/front_end/tool/_fasta/compile.dart:7:33)
#40     _startIsolate.<anonymous closure> (dart:isolate/runtime/libisolate_patch.dart:287:32)
#41     _RawReceivePortImpl._handleMessage (dart:isolate/runtime/libisolate_patch.dart:171:12)
@askeksa-google askeksa-google added area-front-end Use area-front-end for front end / CFE / kernel format related issues. crash Process exits with SIGSEGV, SIGABRT, etc. An unhandled exception is not a crash. labels Nov 2, 2018
@peter-ahe-google peter-ahe-google added this to the Dart2.1 milestone Nov 6, 2018
@peter-ahe-google peter-ahe-google self-assigned this Nov 6, 2018
@peter-ahe-google
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Proposed fix https://dart-review.googlesource.com/c/sdk/+/82984

dart-bot pushed a commit that referenced this issue Nov 7, 2018
@peter-ahe-google @whesse
Recover from default values in function types
e5746ea 
Fixes #35035

Change-Id: I29fe0d792998c43f49877d97b61b3afc16c43cef
Reviewed-on: https://dart-review.googlesource.com/c/82984
Commit-Queue: Aske Simon Christensen <askesc@google.com>
Reviewed-by: Aske Simon Christensen <askesc@google.com>
Auto-Submit: Peter von der Ahé <ahe@google.com>
@reinaldomoreira
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reinaldomoreira commented Jul 2, 2020 •
edited
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Version stable 1.17 occurring this problem while debugging

`[ +9 ms] executing: [/Users/reinaldo.moreira/sdk-flutter/] git -c log.showSignature=false log -n 1 --pretty=format:%H
[ +35 ms] Exit code 0 from: git -c log.showSignature=false log -n 1 --pretty=format:%H
[ ] 445570ba1ae89eecaf9409fb5acde7e8b49ee975
[ ] executing: [/Users/reinaldo.moreira/sdk-flutter/] git tag --contains HEAD
[ +300 ms] Exit code 0 from: git tag --contains HEAD
[ +1 ms] 1.18.0-9.0.pre
[ +8 ms] executing: [/Users/reinaldo.moreira/sdk-flutter/] git rev-parse --abbrev-ref --symbolic @{u}
[ +4 ms] Exit code 128 from: git rev-parse --abbrev-ref --symbolic @{u}
[ ] fatal: HEAD does not point to a branch
[ +33 ms] executing: [/Users/reinaldo.moreira/sdk-flutter/] git rev-parse --abbrev-ref HEAD
[ +5 ms] Exit code 0 from: git rev-parse --abbrev-ref HEAD
[ ] HEAD
[ +31 ms] Artifact Instance of 'AndroidMavenArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
[ +3 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[ +7 ms] Artifact Instance of 'MaterialFonts' is not required, skipping update.
[ ] Artifact Instance of 'GradleWrapper' is not required, skipping update.
[ ] Artifact Instance of 'AndroidMavenArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
[ ] Artifact Instance of 'FlutterSdk' is not required, skipping update.
[ ] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'FontSubsetArtifacts' is not required, skipping update.
[ +5 ms] executing: /usr/bin/xcode-select --print-path
[ +10 ms] Exit code 0 from: /usr/bin/xcode-select --print-path
[ ] /Applications/Xcode.app/Contents/Developer
[ ] executing: /usr/bin/xcodebuild -version
[ +225 ms] Exit code 0 from: /usr/bin/xcodebuild -version
[ ] Xcode 11.3.1
Build version 11C504
[ +53 ms] executing: /Users/reinaldo.moreira/dev/compilers/android-sdk/platform-tools/adb devices -l
[ +5 ms] executing: xcrun --find xcdevice
[ +7 ms] Exit code 0 from: xcrun --find xcdevice
[ ] /Applications/Xcode.app/Contents/Developer/usr/bin/xcdevice
[ ] executing: xcrun xcdevice list --timeout 2
[ +3 ms] /usr/bin/xcrun simctl list --json devices
[ ] executing: /usr/bin/xcrun simctl list --json devices
[ +35 ms] List of devices attached
emulator-5554 device product:sdk_gphone_x86 model:Android_SDK_built_for_x86 device:generic_x86 transport_id:1
[ +97 ms] {
"devices" : {
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"name" : "iPhone 8",
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"availabilityError" : "runtime profile not found"
},
{
"state" : "Shutdown",
"isAvailable" : false,
"name" : "iPhone 8 Plus",
"udid" : "E0C74E7D-A07E-44D6-8A3B-212C04527C85",
"availabilityError" : "runtime profile not found"
},
{
"state" : "Shutdown",
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"name" : "iPhone 11",
"udid" : "D877911A-ED81-46C3-A243-6675BE7307FC",
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},
{
"state" : "Shutdown",
"isAvailable" : false,
"name" : "iPhone 11 Pro",
"udid" : "D1BC00F4-8A8D-45B9-8F86-6B649FA037AF",
"availabilityError" : "runtime profile not found"
},
{
"state" : "Shutdown",
"isAvailable" : false,
"name" : "iPhone 11 Pro Max",
"udid" : "46309CD1-818B-4526-97C5-42853CC11E3D",
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},
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"state" : "Shutdown",
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"name" : "iPad Pro (9.7-inch)",
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"name" : "iPad Pro (11-inch)",
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],
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{
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{
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{
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{
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"com.apple.CoreSimulator.SimRuntime.tvOS-13-3" : [
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{
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[{"event":"daemon.connected","params":{"version":"0.5.3","pid":34330}}]
[ +88 ms] /Users/reinaldo.moreira/dev/compilers/android-sdk/platform-tools/adb -s emulator-5554 shell getprop
[ +91 ms] Waiting for a connection from Flutter on Android SDK built for x86...
[{"event":"app.start","params":{"appId":"16653145-71ab-48b0-af34-9a7b10a20af7","deviceId":"emulator-5554","directory":null,"supportsRestart":true,"launchMode":"attach"}}]
[ +259 ms] Observatory URL on device: http://127.0.0.1:43395/_mvGVcaPLtg=/
[ +1 ms] executing: /Users/reinaldo.moreira/dev/compilers/android-sdk/platform-tools/adb -s emulator-5554 forward tcp:0 tcp:43395
[ +8 ms] 59906
[ ] Forwarded host port 59906 to device port 43395 for Observatory
[ +2 ms] Connecting to service protocol: http://127.0.0.1:59906/_mvGVcaPLtg=/
[ +258 ms] Successfully connected to service protocol: http://127.0.0.1:59906/_mvGVcaPLtg=/
[ ] executing: /Users/reinaldo.moreira/dev/compilers/android-sdk/platform-tools/adb -s emulator-5554 shell -x logcat -v time -t 1
[ +21 ms] Exit code 0 from: /Users/reinaldo.moreira/dev/compilers/android-sdk/platform-tools/adb -s emulator-5554 shell -x logcat -v time -t 1
[ ] --------- beginning of main
07-02 15:21:06.932 E/GnssHAL_GnssInterface( 1796): gnssSvStatusCb: b: input svInfo.flags is 8
[ +36 ms] DevFS: Creating new filesystem on the device (null)
[ +41 ms] DevFS: Created new filesystem on the device (file:///data/user/0/com.nu.staging_alpha/code_cache/mini-meta-repoXDBDRX/mini-meta-repo/)
[ +3 ms] Updating assets
Debug service listening on ws://127.0.0.1:59906/_mvGVcaPLtg=/ws
[{"event":"app.debugPort","params":{"appId":"16653145-71ab-48b0-af34-9a7b10a20af7","port":59906,"wsUri":"ws://127.0.0.1:59906/_mvGVcaPLtg=/ws","baseUri":"file:///data/user/0/com.nu.staging_alpha/code_cache/mini-meta-repoXDBDRX/mini-meta-repo/"}}]
Syncing files to device Android SDK built for x86...
[{"event":"app.progress","params":{"appId":"16653145-71ab-48b0-af34-9a7b10a20af7","id":"0","progressId":null,"message":"Syncing files to device Android SDK built for x86..."}}]
[ +740 ms] Scanning asset files
[ +15 ms] <- reset
[ ] Compiling dart to kernel with 0 updated files
[ +6 ms] /Users/reinaldo.moreira/sdk-flutter/bin/cache/dart-sdk/bin/dart /Users/reinaldo.moreira/sdk-flutter/bin/cache/artifacts/engine/darwin-x64/frontend_server.dart.snapshot --sdk-root /Users/reinaldo.moreira/sdk-flutter/bin/cache/artifacts/engine/common/flutter_patched_sdk/ --incremental --target=flutter --debugger-module-names -Ddart.developer.causal_async_stacks=true --output-dill /var/folders/97/c45lmrxn0vnbss9wzyn7m8r80000gn/T/flutter_tool.EF7E3d/app.dill --packages .packages -Ddart.vm.profile=false -Ddart.vm.product=false --bytecode-options=source-positions,local-var-info,debugger-stops,instance-field-initializers,keep-unreachable-code,avoid-closure-call-instructions --enable-asserts --track-widget-creation --filesystem-scheme org-dartlang-root --initialize-from-dill build/cache.dill
[ +4 ms] <- compile package:nubank/main.dart
[+15288 ms] Updating files
[ +641 ms] DevFS: Sync finished
[{"event":"app.progress","params":{"appId":"16653145-71ab-48b0-af34-9a7b10a20af7","id":"0","progressId":null,"finished":true}}]
[ +1 ms] Synced 5.8MB.
[ +5 ms] <- accept
[ ] Connected to _flutterView/0xc145d790.
[{"event":"app.started","params":{"appId":"16653145-71ab-48b0-af34-9a7b10a20af7"}}]
[{"id":0,"result":{"value":"android","type":"_extensionType","method":"ext.flutter.platformOverride"}}]
[{"id":1,"result":{"timeDilation":"1.0","type":"_extensionType","method":"ext.flutter.timeDilation"}}]
[{"id":2,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.debugPaint"}}]
[{"id":3,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.debugPaintBaselinesEnabled"}}]
[{"id":4,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.repaintRainbow"}}]
[{"id":5,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.showPerformanceOverlay"}}]
[{"id":6,"result":{"enabled":"true","type":"_extensionType","method":"ext.flutter.debugAllowBanner"}}]
[{"id":7,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.inspector.structuredErrors"}}]
[{"id":8,"result":{"enabled":"true","type":"_extensionType","method":"ext.flutter.inspector.structuredErrors"}}]
[{"id":9,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.inspector.show"}}]
[{"id":10,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.inspector.trackRebuildDirtyWidgets"}}]
[{"id":11,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.inspector.trackRebuildDirtyWidgets"}}]
[{"id":12,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.inspector.trackRepaintWidgets"}}]
[{"id":13,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.inspector.trackRepaintWidgets"}}]
[{"id":14,"result":{"value":"android","type":"_extensionType","method":"ext.flutter.platformOverride"}}]
[{"id":16,"result":{"timeDilation":"1.0","type":"_extensionType","method":"ext.flutter.timeDilation"}}]
[{"id":17,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.debugPaint"}}]
[{"id":18,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.debugPaintBaselinesEnabled"}}]
[{"id":19,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.repaintRainbow"}}]
[{"id":20,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.showPerformanceOverlay"}}]
[{"id":21,"result":{"enabled":"true","type":"_extensionType","method":"ext.flutter.debugAllowBanner"}}]
[{"id":22,"result":{"enabled":"true","type":"_extensionType","method":"ext.flutter.debugAllowBanner"}}]
[{"id":23,"result":{"enabled":"true","type":"_extensionType","method":"ext.flutter.inspector.structuredErrors"}}]
[{"id":24,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.inspector.show"}}]
[{"id":25,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.inspector.trackRebuildDirtyWidgets"}}]
[{"id":26,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.inspector.trackRepaintWidgets"}}]
[{"id":15,"result":{"value":"android","type":"_extensionType","method":"ext.flutter.platformOverride"}}]
[{"id":27,"result":{"value":"android","type":"_extensionType","method":"ext.flutter.platformOverride"}}]
[{"id":29,"result":{"timeDilation":"1.0","type":"_extensionType","method":"ext.flutter.timeDilation"}}]
[{"id":30,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.debugPaint"}}]
[{"id":31,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.debugPaintBaselinesEnabled"}}]
[{"id":32,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.repaintRainbow"}}]
[{"id":28,"result":{"value":"android","type":"_extensionType","method":"ext.flutter.platformOverride"}}]
[{"id":33,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.showPerformanceOverlay"}}]
[{"id":34,"result":{"enabled":"true","type":"_extensionType","method":"ext.flutter.debugAllowBanner"}}]
[{"id":35,"result":{"enabled":"true","type":"_extensionType","method":"ext.flutter.debugAllowBanner"}}]
[{"id":36,"result":{"enabled":"true","type":"_extensionType","method":"ext.flutter.inspector.structuredErrors"}}]
[{"id":37,"result":{"enabled":"true","type":"_extensionType","method":"ext.flutter.inspector.structuredErrors"}}]
[{"id":38,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.inspector.show"}}]
[{"id":39,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.inspector.trackRebuildDirtyWidgets"}}]
[{"id":40,"result":{"enabled":"false","type":"_extensionType","method":"ext.flutter.inspector.trackRepaintWidgets"}}]
[+189533 ms] Unhandled exception:
[ +1 ms] type 'ParserRecovery' is not a subtype of type 'Identifier'
[ ] #0 BodyBuilder.pushQualifiedReference (package:front_end/src/fasta/kernel/body_builder.dart:3818:16)
[ ] #1 BodyBuilder.endConstructorReference (package:front_end/src/fasta/kernel/body_builder.dart:3771:5)
[ ] #2 Parser.parseConstructorReference (package:_fe_analyzer_shared/src/parser/parser_impl.dart:3768:14)
[ ] #3 Parser.parseImplicitCreationExpression (package:_fe_analyzer_shared/src/parser/parser_impl.dart:5144:13)
[ ] #4 Parser.parseUnaryExpression (package:_fe_analyzer_shared/src/parser/parser_impl.dart:4560:22)
[ ] #5 Parser.parsePrecedenceExpression (package:_fe_analyzer_shared/src/parser/parser_impl.dart:4306:13)
[ ] #6 Parser.parseExpression (package:_fe_analyzer_shared/src/parser/parser_impl.dart:4249:13)
[ ] #7 BodyBuilder.parseSingleExpression (package:front_end/src/fasta/kernel/body_builder.dart:1318:20)
[ ] #8 SourceLoader.buildExpression (package:front_end/src/fasta/source/source_loader.dart:405:21)
[ ]
[ ] #9 IncrementalCompiler.compileExpression. (package:front_end/src/fasta/incremental_compiler.dart:1651:61)
[ ] #10 CompilerContext.runInContext.. (package:front_end/src/fasta/compiler_context.dart:123:46)
[ ] #11 new Future.sync (dart:async/future.dart:224:31)
[ ] #12 CompilerContext.runInContext. (package:front_end/src/fasta/compiler_context.dart:123:19)
[ ] #13 _rootRun (dart:async/zone.dart:1184:13)
[ ] #14 _CustomZone.run (dart:async/zone.dart:1077:19)
[ ] #15 _runZoned (dart:async/zone.dart:1619:10)
[ ] #16 runZoned (dart:async/zone.dart:1539:10)
[ ] #17 CompilerContext.runInContext (package:front_end/src/fasta/compiler_context.dart:122:12)
[ ] #18 IncrementalCompiler.compileExpression (package:front_end/src/fasta/incremental_compiler.dart:1577:26)
[ ] #19 IncrementalCompiler.compileExpression (package:vm/incremental_compiler.dart:196:23)
[ ] #20 FrontendCompiler.compileExpression (package:frontend_server/frontend_server.dart:891:44)
[ ] #21 _FlutterFrontendCompiler.compileExpression (package:flutter_frontend_server/server.dart:71:22)
[ ] #22 listenAndCompile. (package:frontend_server/frontend_server.dart:1260:20)
[ ] #23 _RootZone.runUnaryGuarded (dart:async/zone.dart:1374:10)
[ ] #24 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
[ ] #25 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:266:7)
[ ] #26 _SinkTransformerStreamSubscription._add (dart:async/stream_transformers.dart:70:11)
[ ] #27 _EventSinkWrapper.add (dart:async/stream_transformers.dart:17:11)
[ ] #28 _StringAdapterSink.add (dart:convert/string_conversion.dart:238:11)
[ +2 ms] #29 _LineSplitterSink._addLines (dart:convert/line_splitter.dart:152:13)
[ ] #30 _LineSplitterSink.addSlice (dart:convert/line_splitter.dart:127:5)
[ ] #31 StringConversionSinkMixin.add (dart:convert/string_conversion.dart:165:5)
[ ] #32 _SinkTransformerStreamSubscription._handleData (dart:async/stream_transformers.dart:122:24)
[ ] #33 _RootZone.runUnaryGuarded (dart:async/zone.dart:1374:10)
[ ] #34 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
[ ] #35 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:266:7)
[ ] #36 _SinkTransformerStreamSubscription._add (dart:async/stream_transformers.dart:70:11)
[ ] #37 _EventSinkWrapper.add (dart:async/stream_transformers.dart:17:11)
[ ] #38 _StringAdapterSink.add (dart:convert/string_conversion.dart:238:11)
[ ] #39 _StringAdapterSink.addSlice (dart:convert/string_conversion.dart:243:7)
[ ] #40 _Utf8ConversionSink.addSlice (dart:convert/string_conversion.dart:314:20)
[ ] #41 _Utf8ConversionSink.add (dart:convert/string_conversion.dart:307:5)
[ ] #42 _ConverterStreamEventSink.add (dart:convert/chunked_conversion.dart:74:18)
[ ] #43 _SinkTransformerStreamSubscription._handleData (dart:async/stream_transformers.dart:122:24)
[ ] #44 _RootZone.runUnaryGuarded (dart:async/zone.dart:1374:10)
[ ] #45 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
[ ] #46 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:266:7)
[ ] #47 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:779:19)
[ ] #48 _StreamController._add (dart:async/stream_controller.dart:655:7)
[ ] #49 _StreamController.add (dart:async/stream_controller.dart:597:5)
[ ] #50 _Socket._onData (dart:io-patch/socket_patch.dart:1999:41)
[ ] #51 _RootZone.runUnaryGuarded (dart:async/zone.dart:1374:10)
[ ] #52 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
[ ] #53 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:266:7)
[ ] #54 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:779:19)
[ ] #55 _StreamController._add (dart:async/stream_controller.dart:655:7)
[ ] #56 _StreamController.add (dart:async/stream_controller.dart:597:5)
[ ] #57 new _RawSocket. (dart:io-patch/socket_patch.dart:1544:33)
[ ] #58 _NativeSocket.issueReadEvent.issue (dart:io-patch/socket_patch.dart:1036:14)
[ ] #59 _microtaskLoop (dart:async/schedule_microtask.dart:43:21)
[ ] #60 _startMicrotaskLoop (dart:async/schedule_microtask.dart:52:5)
[ ] #61 _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:118:13)
[ ] #62 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:169:5)
the Dart compiler exited unexpectedly.

#0 throwToolExit (package:flutter_tools/src/base/common.dart:14:3)
#1 DefaultResidentCompiler._compile. (package:flutter_tools/src/compile.dart:710:13)
#2 _rootRun (dart:async/zone.dart:1180:38)
#3 _CustomZone.run (dart:async/zone.dart:1077:19)
#4 _CustomZone.runGuarded (dart:async/zone.dart:979:7)
#5 _BufferingStreamSubscription._sendDone.sendDone (dart:async/stream_impl.dart:392:13)
#6 _BufferingStreamSubscription._sendDone (dart:async/stream_impl.dart:402:15)
#7 _BufferingStreamSubscription._close (dart:async/stream_impl.dart:286:7)
#8 _SinkTransformerStreamSubscription._close (dart:async/stream_transformers.dart:98:11)
#9 _EventSinkWrapper.close (dart:async/stream_transformers.dart:25:11)
#10 _StringAdapterSink.close (dart:convert/string_conversion.dart:251:11)
#11 _LineSplitterSink.close (dart:convert/line_splitter.dart:136:11)
#12 _SinkTransformerStreamSubscription._handleDone (dart:async/stream_transformers.dart:143:24)
#13 _rootRun (dart:async/zone.dart:1180:38)
#14 _CustomZone.run (dart:async/zone.dart:1077:19)
#15 _CustomZone.runGuarded (dart:async/zone.dart:979:7)
#16 _BufferingStreamSubscription._sendDone.sendDone (dart:async/stream_impl.dart:392:13)
#17 _BufferingStreamSubscription._sendDone (dart:async/stream_impl.dart:402:15)
#18 _BufferingStreamSubscription._close (dart:async/stream_impl.dart:286:7)
#19 _SinkTransformerStreamSubscription._close (dart:async/stream_transformers.dart:98:11)
#20 _EventSinkWrapper.close (dart:async/stream_transformers.dart:25:11)
#21 _StringAdapterSink.close (dart:convert/string_conversion.dart:251:11)
#22 _Utf8ConversionSink.close (dart:convert/string_conversion.dart:302:20)
#23 _ConverterStreamEventSink.close (dart:convert/chunked_conversion.dart:83:18)
#24 _SinkTransformerStreamSubscription._handleDone (dart:async/stream_transformers.dart:143:24)
#25 _rootRun (dart:async/zone.dart:1180:38)
#26 _CustomZone.run (dart:async/zone.dart:1077:19)
#27 _CustomZone.runGuarded (dart:async/zone.dart:979:7)
#28 _BufferingStreamSubscription._sendDone.sendDone (dart:async/stream_impl.dart:392:13)
#29 _BufferingStreamSubscription._sendDone (dart:async/stream_impl.dart:402:15)
#30 _BufferingStreamSubscription._close (dart:async/stream_impl.dart:286:7)
#31 _SyncStreamControllerDispatch._sendDone (dart:async/stream_controller.dart:787:19)
#32 _StreamController._closeUnchecked (dart:async/stream_controller.dart:644:7)
#33 _StreamController.close (dart:async/stream_controller.dart:637:5)
#34 _Socket._onData (dart:io-patch/socket_patch.dart:2006:21)
#35 _rootRunUnary (dart:async/zone.dart:1196:13)
#36 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#37 _CustomZone.runUnaryGuarded (dart:async/zone.dart:987:7)
#38 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:339:11)
#39 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:266:7)
#40 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:779:19)
#41 _StreamController._add (dart:async/stream_controller.dart:655:7)
#42 _StreamController.add (dart:async/stream_controller.dart:597:5)
#43 new _RawSocket. (dart:io-patch/socket_patch.dart:1551:35)
#44 _NativeSocket.issueReadEvent.issue (dart:io-patch/socket_patch.dart:1029:18)
#45 _microtaskLoop (dart:async/schedule_microtask.dart:43:21)
#46 _startMicrotaskLoop (dart:async/schedule_microtask.dart:52:5)
#47 _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:118:13)
#48 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:169:5)

the Dart compiler exited unexpectedly.

#0 throwToolExit (package:flutter_tools/src/base/common.dart:14:3)
#1 DefaultResidentCompiler._compile. (package:flutter_tools/src/compile.dart:721:9)
#2 _rootRunUnary (dart:async/zone.dart:1192:38)
#3 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#4 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#5 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:686:45)
#6 Future._propagateToListeners (dart:async/future_impl.dart:715:32)
#7 Future._completeWithValue (dart:async/future_impl.dart:526:5)
#8 Future._asyncCompleteWithValue. (dart:async/future_impl.dart:560:7)
#9 _rootRun (dart:async/zone.dart:1184:13)
#10 _CustomZone.run (dart:async/zone.dart:1077:19)
#11 _CustomZone.runGuarded (dart:async/zone.dart:979:7)
#12 _CustomZone.bindCallbackGuarded. (dart:async/zone.dart:1019:23)
#13 _microtaskLoop (dart:async/schedule_microtask.dart:43:21)
#14 _startMicrotaskLoop (dart:async/schedule_microtask.dart:52:5)
#15 _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:118:13)
#16 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:169:5)`

@askeksa-google
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This is a different situation from the original issue. The stack trace seems to indicate something around a constructor call. Can you provide some code that reproduces the crash?

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@peter-ahe-google peter-ahe-google

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area-front-end Use area-front-end for front end / CFE / kernel format related issues. crash Process exits with SIGSEGV, SIGABRT, etc. An unhandled exception is not a crash. front-end-fasta
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@peter-ahe-google @reinaldomoreira @askeksa-google