VM Crash when deleting a folder that is an analysis root

[DanTup]

While trying to repro #60863 I was running the Dart analysis server from source and deleted a folder that was being watched as an analysis root. The process terminated with the crash below.

PS D:\Dev\Test Projects\dart_60863\dart_application_1> dart --version    
Dart SDK version: 3.9.0-edge.d0041273c5800d08167231e3427e2344346e7796 (main) (Mon Jun 2 04:53:04 2025 -0700) on "windows_x64"

[10:39:32 AM] [Analyzer] [Error] 
===== CRASH =====
ExceptionCode=-1073741819, ExceptionFlags=0, ExceptionAddress=0000000000000000
version=3.9.0-edge.d0041273c5800d08167231e3427e2344346e7796 (main) (Mon Jun 2 04:53:04 2025 -0700) on "windows_x64"
pid=16648, thread=12584, isolate_group=main(000001A75E383170), isolate=main(000001A75E3BD3D0)
os=windows, arch=x64, comp=no, sim=no
isolate_instructions=7ff75c1f9ac0, vm_instructions=7ff75c1f9ae0
fp=2f8ecfe1f0, sp=2f8ecfe0d8, pc=0
[10:39:32 AM] [Analyzer] [Error]   pc 0x0000000000000000 fp 0x0000002f8ecfe1f0 Unknown symbol
  pc 0x000001a74552cbc4 fp 0x0000002f8ecfe230 Unknown symbol
  pc 0x000001a74552c7ef fp 0x0000002f8ecfe290 Unknown symbol
  pc 0x000001a74552c520 fp 0x0000002f8ecfe2c8 Unknown symbol
  pc 0x000001a72c9033d3 fp 0x0000002f8ecfe328 Unknown symbol
  pc 0x000001a74552ba27 fp 0x0000002f8ecfe368 Unknown symbol
  pc 0x000001a74552af80 fp 0x0000002f8ecfe3b0 Unknown symbol
  pc 0x000001a72c930e01 fp 0x0000002f8ecfe3f0 Unknown symbol
  pc 0x000001a72c930cad fp 0x0000002f8ecfe438 Unknown symbol
  pc 0x000001a72c930972 fp 0x0000002f8ecfe480 Unknown symbol
  pc 0x000001a74552be05 fp 0x0000002f8ecfe4d0 Unknown symbol
  pc 0x000001a74556e81f fp 0x0000002f8ecfe520 Unknown symbol
  pc 0x000001a7348ef18c fp 0x0000002f8ecfe5c0 Unknown symbol
  pc 0x000001a7348ee242 fp 0x0000002f8ecfe618 Unknown symbol
  pc 0x000001a72c9254d6 fp 0x0000002f8ecfe6b0 Unknown symbol
  pc 0x000001a72c93043d fp 0x0000002f8ecfe738 Unknown symbol
  pc 0x000001a73d204f1b fp 0x0000002f8ecfe788 Unknown symbol
  pc 0x000001a72c92a83e fp 0x0000002f8ecfe7c8 Unknown symbol
  pc 0x000001a72c92a52a fp 0x0000002f8ecfe818 Unknown symbol
  pc 0x000001a72c92a25b fp 0x0000002f8ecfe860 Unknown symbol
  pc 0x000001a71a6e6ccd fp 0x0000002f8ecfe8d8 Unknown symbol
  pc 0x000001a71a6e6b54 fp 0x0000002f8ecfe938 Unknown symbol
  pc 0x000001a71a6e6483 fp 0x0000002f8ecfe9c8 Unknown symbol
  pc 0x000001a72c92504b fp 0x0000002f8ecfea38 Unknown symbol
  pc 0x000001a72c924f37 fp 0x0000002f8ecfea78 Unknown symbol
  pc 0x000001a71a6e6e14 fp 0x0000002f8ecfeaf0 Unknown symbol
  pc 0x000001a71a6e6b54 fp 0x0000002f8ecfeb50 Unknown symbol
  pc 0x000001a71a6e6483 fp 0x0000002f8ecfebe0 Unknown symbol
  pc 0x000001a72c92504b fp 0x0000002f8ecfec50 Unknown symbol
  pc 0x000001a72c924f37 fp 0x0000002f8ecfec90 Unknown symbol
  pc 0x000001a72c924ba7 fp 0x0000002f8ecfecf0 Unknown symbol
  pc 0x000001a72c924792 fp 0x0000002f8ecfed30 Unknown symbol
  pc 0x000001a72c9246b3 fp 0x0000002f8ecfed58 Unknown symbol
  pc 0x000001a72c90e708 fp 0x0000002f8ecfed98 Unknown symbol
  pc 0x000001a75f42c686 fp 0x0000002f8ecfedd8 Unknown symbol
  pc 0x000001a75dc830df fp 0x0000002f8ecfef00 Unknown symbol
-- End of DumpStackTrace
  pc 0x0000000000000000 fp 0x0000002f8ecfe1f0 sp 0x0000000000000000 [Stub] CallAutoScopeNative
  pc 0x000001a74552cbc4 fp 0x0000002f8ecfe230 sp 0x0000002f8ecfe200 [Unoptimized] _FileSystemWatcher@15069316._unwatchPath@15069316
  pc 0x000001a74552c7ef fp 0x0000002f8ecfe290 sp 0x0000002f8ecfe240 [Unoptimized] _FileSystemWatcher@15069316._cancel@15069316
  pc 0x000001a74552c520 fp 0x0000002f8ecfe2c8 sp 0x0000002f8ecfe2a0 [Unoptimized] _FileSystemWatcher@15069316._cancel@15069316
  pc 0x000001a72c9033d3 fp 0x0000002f8ecfe328 sp 0x0000002f8ecfe2d8 [Unoptimized] _runGuarded@5048458
  pc 0x000001a74552ba27 fp 0x0000002f8ecfe368 sp 0x0000002f8ecfe338 [Unoptimized] _BroadcastStreamController@5048458._callOnCancel@5048458
  pc 0x000001a74552af80 fp 0x0000002f8ecfe3b0 sp 0x0000002f8ecfe378 [Unoptimized] _BroadcastStreamController@5048458._recordCancel@5048458
  pc 0x000001a72c930e01 fp 0x0000002f8ecfe3f0 sp 0x0000002f8ecfe3c0 [Unoptimized] _ControllerSubscription@5048458._onCancel@5048458
  pc 0x000001a72c930cad fp 0x0000002f8ecfe438 sp 0x0000002f8ecfe400 [Unoptimized] _BufferingStreamSubscription@5048458._cancel@5048458
  pc 0x000001a72c930972 fp 0x0000002f8ecfe480 sp 0x0000002f8ecfe448 [Unoptimized] _BufferingStreamSubscription@5048458.cancel
  pc 0x000001a74552be05 fp 0x0000002f8ecfe4d0 sp 0x0000002f8ecfe490 [Unoptimized] _WindowsDirectoryWatcher@1580320559.close
  pc 0x000001a74556e81f fp 0x0000002f8ecfe520 sp 0x0000002f8ecfe4e0 [Unoptimized] _WindowsDirectoryWatcher@1580320559._startParentWatcher@1580320559.<anonymous closure>
  pc 0x000001a7348ef18c fp 0x0000002f8ecfe5c0 sp 0x0000002f8ecfe530 [Optimized] _rootRunUnary@5048458
  pc 0x000001a7348ee242 fp 0x0000002f8ecfe618 sp 0x0000002f8ecfe5d0 [Optimized] _rootRunUnary@5048458
  pc 0x000001a72c9254d6 fp 0x0000002f8ecfe6b0 sp 0x0000002f8ecfe628 [Unoptimized] _CustomZone@5048458.runUnary
  pc 0x000001a72c93043d fp 0x0000002f8ecfe738 sp 0x0000002f8ecfe6c0 [Unoptimized] _CustomZone@5048458.runUnaryGuarded
  pc 0x000001a73d204f1b fp 0x0000002f8ecfe788 sp 0x0000002f8ecfe748 [Optimized] _BufferingStreamSubscription@5048458._sendData@5048458
  pc 0x000001a72c92a83e fp 0x0000002f8ecfe7c8 sp 0x0000002f8ecfe798 [Unoptimized] _DelayedData@5048458.perform
  pc 0x000001a72c92a52a fp 0x0000002f8ecfe818 sp 0x0000002f8ecfe7d8 [Unoptimized] _PendingEvents@5048458.handleNext
  pc 0x000001a72c92a25b fp 0x0000002f8ecfe860 sp 0x0000002f8ecfe828 [Unoptimized] _PendingEvents@5048458.schedule.<anonymous closure>
  pc 0x000001a71a6e6ccd fp 0x0000002f8ecfe8d8 sp 0x0000002f8ecfe870 [Unoptimized] _rootRun@5048458
  pc 0x000001a71a6e6b54 fp 0x0000002f8ecfe938 sp 0x0000002f8ecfe8e8 [Unoptimized] _rootRun@5048458
  pc 0x000001a71a6e6483 fp 0x0000002f8ecfe9c8 sp 0x0000002f8ecfe948 [Unoptimized] _CustomZone@5048458.run
  pc 0x000001a72c92504b fp 0x0000002f8ecfea38 sp 0x0000002f8ecfe9d8 [Unoptimized] _CustomZone@5048458.runGuarded
  pc 0x000001a72c924f37 fp 0x0000002f8ecfea78 sp 0x0000002f8ecfea48 [Unoptimized] _CustomZone@5048458.bindCallbackGuarded.<anonymous closure>
  pc 0x000001a71a6e6e14 fp 0x0000002f8ecfeaf0 sp 0x0000002f8ecfea88 [Unoptimized] _rootRun@5048458
  pc 0x000001a71a6e6b54 fp 0x0000002f8ecfeb50 sp 0x0000002f8ecfeb00 [Unoptimized] _rootRun@5048458
  pc 0x000001a71a6e6483 fp 0x0000002f8ecfebe0 sp 0x0000002f8ecfeb60 [Unoptimized] _CustomZone@5048458.run
  pc 0x000001a72c92504b fp 0x0000002f8ecfec50 sp 0x0000002f8ecfebf0 [Unoptimized] _CustomZone@5048458.runGuarded
  pc 0x000001a72c924f37 fp 0x0000002f8ecfec90 sp 0x0000002f8ecfec60 [Unoptimized] _CustomZone@5048458.bindCallbackGuarded.<anonymous closure>
  pc 0x000001a72c924ba7 fp 0x0000002f8ecfecf0 sp 0x0000002f8ecfeca0 [Unoptimized] _microtaskLoop@5048458
  pc 0x000001a72c924792 fp 0x0000002f8ecfed30 sp 0x0000002f8ecfed00 [Unoptimized] _startMicrotaskLoop@5048458
  pc 0x000001a72c9246b3 fp 0x0000002f8ecfed58 sp 0x0000002f8ecfed40 [Unoptimized] _startMicrotaskLoop@5048458
  pc 0x000001a72c90e708 fp 0x0000002f8ecfed98 sp 0x0000002f8ecfed68 [Unoptimized] _runPendingImmediateCallback@1026248
  pc 0x000001a75f42c686 fp 0x0000002f8ecfedd8 sp 0x0000002f8ecfeda8 [Unoptimized] _RawReceivePort@1026248._handleMessage@1026248
  pc 0x000001a75dc830df fp 0x0000002f8ecfef00 sp 0x0000002f8ecfede8 [Stub] InvokeDartCode