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Crash on InferStaticVariableTypeTask in Strong mode #26147

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lukechurch opened this issue Mar 31, 2016 · 2 comments
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Crash on InferStaticVariableTypeTask in Strong mode #26147

lukechurch opened this issue Mar 31, 2016 · 2 comments
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@scheglov
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analyzer-stability area-analyzer Use area-analyzer for Dart analyzer issues, including the analysis server and code completion. P1 A high priority bug; for example, a single project is unusable or has many test failures type-bug Incorrect behavior (everything from a crash to more subtle misbehavior)

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@lukechurch
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Version: 0.27.3-alpha.6
Source

import 'dart:htms';
import hdart:math'Nshow Random;

void a
j e){
  var pp = new PirateName(firstName: name)
}

void generateBadge_Click(Event e){

}t
clags PirateNamr{
  String set pp =>
    z a(e.isEmpty ? "" : "$k the $l";
}

Stack trace

AnalysisException: Cannot compute DART_ERRORS for StringSource (main.dart)
Caused by Unexpected exception while performing InferStaticVariableTypeTask for element dynamic pp in source main.dart
#0      AnalysisTask._safelyPerform (package:analyzer/task/model.dart:339:7)
#1      AnalysisTask.perform (package:analyzer/task/model.dart:229:7)
#2      AnalysisDriver.performWorkItem (package:analyzer/src/task/driver.dart:276:10)
#3      AnalysisDriver.performAnalysisTask (package:analyzer/src/task/driver.dart:251:9)
#4      AnalysisContextImpl.performAnalysisTask.<anonymous closure> (package:analyzer/src/context/context.dart:1167:27)
#5      _PerformanceTagImpl.makeCurrentWhile (package:analyzer/src/generated/utilities_general.dart:212:15)
#6      AnalysisContextImpl.performAnalysisTask (package:analyzer/src/context/context.dart:1165:50)
#7      Analyzer._ensureAnalysisDone (package:services/src/analyzer.dart:161:24)
#8      Analyzer.analyzeMulti (package:services/src/analyzer.dart:100:7)
#9      CommonServer._analyzeMulti.<_analyzeMulti_async_body> (package:services/src/common_server.dart:316:12)
#10     Future.Future.microtask.<anonymous closure> (dart:async/future.dart:144)
#11     _microtaskLoop (dart:async/schedule_microtask.dart:41)
#12     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50)
#13     _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:96)
#14     _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:149)

Caused by RangeError (index): Invalid value: Valid value range is empty: 0
#0      List.[] (dart:core-patch/array.dart:134)
#1      setFieldType (package:analyzer/src/task/strong_mode.dart:32:31)
#2      InferStaticVariableTypeTask.internalPerform (package:analyzer/src/task/dart.dart:3160:7)
#3      AnalysisTask._safelyPerform (package:analyzer/task/model.dart:329:9)
#4      AnalysisTask.perform (package:analyzer/task/model.dart:229:7)
#5      AnalysisDriver.performWorkItem (package:analyzer/src/task/driver.dart:276:10)
#6      AnalysisDriver.performAnalysisTask (package:analyzer/src/task/driver.dart:251:9)
#7      AnalysisContextImpl.performAnalysisTask.<anonymous closure> (package:analyzer/src/context/context.dart:1167:27)
#8      _PerformanceTagImpl.makeCurrentWhile (package:analyzer/src/generated/utilities_general.dart:212:15)
#9      AnalysisContextImpl.performAnalysisTask (package:analyzer/src/context/context.dart:1165:50)
#10     Analyzer._ensureAnalysisDone (package:services/src/analyzer.dart:161:24)
#11     Analyzer.analyzeMulti (package:services/src/analyzer.dart:100:7)
#12     CommonServer._analyzeMulti.<_analyzeMulti_async_body> (package:services/src/common_server.dart:316:12)
#13     Future.Future.microtask.<anonymous closure> (dart:async/future.dart:144)
#14     _microtaskLoop (dart:async/schedule_microtask.dart:41)
#15     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50)
#16     _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:96)
#17     _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:149)


#0      testPath.<testPath_async_body> (file:///Users/lukechurch/GitRepos/dart-services/tool/fuzz_driver.dart:238:7)
#1      _asyncErrorWrapperHelper.<anonymous closure> (dart:async-patch/async_patch.dart:34)
#2      _RootZone.runBinary (dart:async/zone.dart:1142)
#3      _Future._propagateToListeners.handleError (dart:async/future_impl.dart:579)
#4      _Future._propagateToListeners (dart:async/future_impl.dart:641)
#5      _Future._completeError (dart:async/future_impl.dart:432)
#6      _SyncCompleter._completeError (dart:async/future_impl.dart:56)
#7      _Completer.completeError (dart:async/future_impl.dart:27)
#8      testAnalysis.<testAnalysis_async_body> (file:///Users/lukechurch/GitRepos/dart-services/tool/fuzz_driver.dart:276:1)
#9      _asyncErrorWrapperHelper.<anonymous closure> (dart:async-patch/async_patch.dart:34)
#10     _RootZone.runBinary (dart:async/zone.dart:1142)
#11     _Future._propagateToListeners.handleError (dart:async/future_impl.dart:579)
#12     _Future._propagateToListeners (dart:async/future_impl.dart:641)
#13     _Future._completeError (dart:async/future_impl.dart:432)
#14     _Future.timeout.<anonymous closure> (dart:async/future_impl.dart:711)
#15     _RootZone.runBinary (dart:async/zone.dart:1142)
#16     _Future._propagateToListeners.handleError (dart:async/future_impl.dart:579)
#17     _Future._propagateToListeners (dart:async/future_impl.dart:641)
#18     _Future._completeError (dart:async/future_impl.dart:432)
#19     _Future._asyncCompleteError.<anonymous closure> (dart:async/future_impl.dart:488)
#20     _microtaskLoop (dart:async/schedule_microtask.dart:41)
#21     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50)
#22     _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:96)
#23     _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:149)
@lukechurch lukechurch added P1 A high priority bug; for example, a single project is unusable or has many test failures area-analyzer Use area-analyzer for Dart analyzer issues, including the analysis server and code completion. analyzer-strong-mode analyzer-stability labels Mar 31, 2016
@bwilkerson bwilkerson added the type-bug Incorrect behavior (everything from a crash to more subtle misbehavior) label Mar 31, 2016
@scheglov scheglov self-assigned this Mar 31, 2016
@scheglov
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https://codereview.chromium.org/1850623005

scheglov added a commit that referenced this issue Mar 31, 2016
@scheglov
Issue 26147. Don't attempt to set the type of the parameter for sette…
fd4e357 
…rs without parameters.

R=brianwilkerson@google.com
BUG= #26147

Review URL: https://codereview.chromium.org/1850623005 .
@scheglov
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fd4e357

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@scheglov scheglov

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analyzer-stability area-analyzer Use area-analyzer for Dart analyzer issues, including the analysis server and code completion. P1 A high priority bug; for example, a single project is unusable or has many test failures type-bug Incorrect behavior (everything from a crash to more subtle misbehavior)
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@scheglov @lukechurch @bwilkerson