Compiler crash

[RealPurdySoftware]

Every time I attempt to build my code, I get a compiler crash.

dart fix --apply output:

Computing fixes in <REDACTED>... 11.3s
Nothing to fix!

dart --version output:
Dart SDK version: 3.4.1 (stable) (Tue May 21 15:46:25 2024 +0000) on "macos_x64"

Building a flutter app in Android Studio. Tried restarting IDE, ran clear caches and restart. Still crashes.
Attempting to compile from the command line also crashes.

Command: flutter build web

Output:

Target dart2js failed: ProcessException: Process exited abnormally with exit code 253:
.dart_tool/flutter_build/5c5fce35a7df90664eb2e1ee3b00fbe6/main.dart:
Internal Error: The compiler crashed when compiling this element.

The compiler is broken.

When compiling the above element, the compiler crashed. It is not
possible to tell if this is caused by a problem in your program or
not. Regardless, the compiler should not crash.

The Dart team would greatly appreciate if you would take a moment to
report this problem at http://dartbug.com/new.

Please include the following information:

* the name and version of your operating system ( MacOS 14.5)

* the Dart SDK build number (3.4.1)

* the entire message you see here (including the full stack trace
  below as well as the source location above).

The compiler crashed: Crash when compiling:
Concurrent modification during iteration: Instance(length:2) of '_GrowableList'.

#0      ListIterator.moveNext (dart:_internal/iterable.dart:348:7)
#1      BodyBuilder._unaliasTypeAliasedConstructorInvocations (package:front_end/src/fasta/kernel/body_builder.dart:1640:12)
#2      BodyBuilder.performDelayedActions (package:front_end/src/fasta/kernel/body_builder.dart:1755:7)
#3      SourceLoader.buildOutlineExpressions (package:front_end/src/fasta/source/source_loader.dart:2827:30)
#4      KernelTarget.buildOutlines.<anonymous closure> (package:front_end/src/fasta/kernel/kernel_target.dart:549:14)
<asynchronous suspension>
#5      withCrashReporting (package:front_end/src/fasta/crash.dart:133:12)
<asynchronous suspension>
#6      KernelTarget.buildOutlines (package:front_end/src/fasta/kernel/kernel_target.dart:415:12)
<asynchronous suspension>
#7      _buildInternal (package:front_end/src/kernel_generator_impl.dart:150:7)
<asynchronous suspension>
#8      withCrashReporting (package:front_end/src/fasta/crash.dart:133:12)
<asynchronous suspension>
#9      compile.<anonymous closure> (package:front_end/src/api_unstable/dart2js.dart:197:37)
<asynchronous suspension>
#10     CompilerContext.clear (package:front_end/src/fasta/compiler_context.dart:139:3)
<asynchronous suspension>
#11     compile (package:front_end/src/api_unstable/dart2js.dart:195:36)
<asynchronous suspension>
#12     _loadFromSource (package:compiler/src/phase/load_kernel.dart:317:29)
<asynchronous suspension>
#13     run (package:compiler/src/phase/load_kernel.dart:411:36)
<asynchronous suspension>
#14     Compiler.loadKernel (package:compiler/src/compiler.dart:392:9)
<asynchronous suspension>
#15     Compiler.produceKernel (package:compiler/src/compiler.dart:399:36)
<asynchronous suspension>
#16     Compiler.runSequentialPhases (package:compiler/src/compiler.dart:636:20)
<asynchronous suspension>
#17     Compiler.runInternal.<anonymous closure> (package:compiler/src/compiler.dart:316:7)
<asynchronous suspension>
#18     Compiler.runInternal (package:compiler/src/compiler.dart:315:5)
<asynchronous suspension>
#19     Compiler.run.<anonymous closure> (package:compiler/src/compiler.dart:236:11)
<asynchronous suspension>
#20     compile.<anonymous closure> (package:compiler/compiler_api.dart:256:30)
<asynchronous suspension>
#21     compile.compilationDone (package:compiler/src/dart2js.dart:730:3)
<asynchronous suspension>
#22     main (package:compiler/src/dart2js.dart:1233:3)
<asynchronous suspension>
  Command: /Users/REDACTED/flutter/bin/cache/dart-sdk/bin/dart --disable-dart-dev
  /Users/REDACTED/flutter/bin/cache/dart-sdk/bin/snapshots/dart2js.dart.snapshot --platform-binaries=/Users/REDACTED/flutter/bin/cache/flutter_web_sdk/kernel
  --invoker=flutter_tool -Ddart.vm.product=true -DFLUTTER_WEB_CANVASKIT_URL=https://www.gstatic.com/flutter-canvaskit/55eae6864b296dd9f43b2cc7577ec256e5c32a8d/
  -DFLUTTER_WEB_AUTO_DETECT=true --native-null-assertions --no-source-maps -o
  /Users/REDACTED/GitHub/REDACTED/.dart_tool/flutter_build/5c5fce35a7df90664eb2e1ee3b00fbe6/app.dill --packages=.dart_tool/package_config.json --cfe-only
  /Users/REDACTED/GitHub/REDACTED/.dart_tool/flutter_build/5c5fce35a7df90664eb2e1ee3b00fbe6/main.dart
#0      RunResult.throwException (package:flutter_tools/src/base/process.dart:125:5)
#1      _DefaultProcessUtils.run (package:flutter_tools/src/base/process.dart:321:19)
<asynchronous suspension>
#2      Dart2JSTarget.build (package:flutter_tools/src/build_system/targets/web.dart:193:5)
<asynchronous suspension>
#3      _BuildInstance._invokeInternal (package:flutter_tools/src/build_system/build_system.dart:875:9)
<asynchronous suspension>
#4      Future.wait.<anonymous closure> (dart:async/future.dart:524:21)
<asynchronous suspension>
#5      _BuildInstance.invokeTarget (package:flutter_tools/src/build_system/build_system.dart:813:32)
<asynchronous suspension>
#6      Future.wait.<anonymous closure> (dart:async/future.dart:524:21)
<asynchronous suspension>
#7      _BuildInstance.invokeTarget (package:flutter_tools/src/build_system/build_system.dart:813:32)
<asynchronous suspension>
#8      FlutterBuildSystem.build (package:flutter_tools/src/build_system/build_system.dart:642:16)
<asynchronous suspension>
#9      WebBuilder.buildWeb (package:flutter_tools/src/web/compile.dart:92:34)
<asynchronous suspension>
#10     BuildWebCommand.runCommand (package:flutter_tools/src/commands/build_web.dart:230:5)
<asynchronous suspension>
#11     FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:1394:27)
<asynchronous suspension>
#12     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:153:19)
<asynchronous suspension>
#13     CommandRunner.runCommand (package:args/command_runner.dart:212:13)
<asynchronous suspension>
#14     FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:372:9)
<asynchronous suspension>
#15     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:153:19)
<asynchronous suspension>
#16     FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:308:5)
<asynchronous suspension>
#17     run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:130:9)
<asynchronous suspension>
#18     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:153:19)
<asynchronous suspension>
#19     main (package:flutter_tools/executable.dart:93:3)
<asynchronous suspension>

Compiling lib/main.dart for the Web...                              7.1s
Error: Failed to compile application for the Web.

Let me know what other information you need. Suggestions for a work around would also be appreciated

[biggs0125]

This was fixed by a recent SDK change.

The same behavior was reported on this Flutter issue. The current status of that seems to be that a cherrypick into a Flutter release is pending. As a workaround I see mention of downgrading your version of Flutter.

Closing this out as this is technically fixed on the Dart side, feel free to follow up on the Flutter issue.

Thanks!