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.NET9 Regression in Microsoft.CodeAnalysis.CSharp: NullReferenceException #76571

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Lerke opened this issue Dec 27, 2024 · 0 comments
Open

.NET9 Regression in Microsoft.CodeAnalysis.CSharp: NullReferenceException #76571

Lerke opened this issue Dec 27, 2024 · 0 comments
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Area-Compilers untriaged Issues and PRs which have not yet been triaged by a lead

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@Lerke
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Lerke commented Dec 27, 2024 •
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Version Used: .NET9.0.101

I have run into a small piece of code which compiles fine when using .NET8, but fails to do so in .NET9.

Steps to Reproduce:

  1. Clone the included project, build with .NET8. Observe the build works.
  2. Try the same but with .NET9, observe a compiler failure with the message Roslyn\Microsoft.CSharp.Core.targets(89,5): error : Process terminated. System.NullReferenceException: Object reference not set to an instance of an object.

I have a minimal example showcasing this behavior in the following repository: https://github.com/Lerke/dotnet-9-csc-crash

I have a CI job showcasing a successful .NET8 compilation, and a failing .NET9 compilation in the same repository, which can be found here: https://github.com/Lerke/dotnet-9-csc-crash/actions/runs/12515544263 . The included MSBuild output uses the diagnostic verbosity level.

The code in question is quite small:

using System.Linq.Expressions;
IList<string> dataSource = ["1", "2"];

Filter(dataSource.AsQueryable(), new()
{
    {
        "testColumn",
        (q, str) => q.Where(x => x == $"{str}")
    }
});
    
void Filter<T>(IQueryable<T> queryable, Dictionary<string, Expression<Func<IQueryable<T>, string[], IQueryable<T>>>> filterMembers)
{
    // Implementation not important
}

The error can be resolved by forcing .ToString() on str. i.e. Changing line 8 to (q, str) => q.Where(x => x == $"{str.ToString()}") makes the code compile without issues.

Creating a full dotnet.exe minidump and analyzing the call [0x15] Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.Binder.GetCommonTypeOrReturnType<System.__Canon>+0x62 0x1d9e37b3c0 0x7ffdad371c75 reveals under type > _flags the value: 0x30200100101 : Unexpected failure to dereference object

Image

The exception analysis is as follows:

0:019> !analyze -v
*******************************************************************************
*                                                                             *
*                        Exception Analysis                                   *
*                                                                             *
*******************************************************************************


KEY_VALUES_STRING: 1

    Key  : Analysis.CPU.mSec
    Value: 1359

    Key  : Analysis.Elapsed.mSec
    Value: 1821

    Key  : Analysis.IO.Other.Mb
    Value: 0

    Key  : Analysis.IO.Read.Mb
    Value: 5

    Key  : Analysis.IO.Write.Mb
    Value: 5

    Key  : Analysis.Init.CPU.mSec
    Value: 14171

    Key  : Analysis.Init.Elapsed.mSec
    Value: 112619

    Key  : Analysis.Memory.CommitPeak.Mb
    Value: 380

    Key  : Analysis.Version.DbgEng
    Value: 10.0.27725.1000

    Key  : Analysis.Version.Description
    Value: 10.2408.27.01 amd64fre

    Key  : Analysis.Version.Ext
    Value: 1.2408.27.1

    Key  : CLR.Engine
    Value: CORECLR

    Key  : CLR.Version
    Value: 9.0.24.52809

    Key  : Failure.Bucket
    Value: CLR_FAILFAST_80131623_Microsoft.CodeAnalysis.dll!Microsoft.CodeAnalysis.FailFast.OnFatalException

    Key  : Failure.Hash
    Value: {1fd24f15-3514-e141-c3dc-154b0fffcf86}

    Key  : Timeline.OS.Boot.DeltaSec
    Value: 4044

    Key  : Timeline.Process.Start.DeltaSec
    Value: 3

    Key  : WER.OS.Branch
    Value: ge_release

    Key  : WER.OS.Version
    Value: 10.0.26100.1

    Key  : WER.Process.Version
    Value: 9.0.24.52809


FILE_IN_CAB:  dotnet.exe.22648.dmp

NTGLOBALFLAG:  0

APPLICATION_VERIFIER_FLAGS:  0

CONTEXT:  (.ecxr)
rax=0000001d9e377880 rbx=0000001d9e3777e0 rcx=0000001d9e377880
rdx=0000000000000020 rsi=0000001d9e3777d0 rdi=0000001d9e377880
rip=00007ffe1a10c355 rsp=0000001d9e3777a0 rbp=0000001d9e3778a0
 r8=00000000000000b0  r9=00000000000000c0 r10=00007ffe19ec0000
r11=00007ffe1a02698b r12=000001a388745490 r13=000001a388745490
r14=000001a3f227638c r15=0000000000000000
iopl=0         nv up ei pl nz na po nc
cs=0033  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00000204
coreclr!EEPolicy::HandleFatalError+0x7d:
00007ffe`1a10c355 488d442440      lea     rax,[rsp+40h]
Resetting default scope

EXCEPTION_RECORD:  00007ffdbce33af0 -- (.exr 0x7ffdbce33af0)
ExceptionAddress: 00007ffdbc825370
   ExceptionCode: 0403b236
  ExceptionFlags: 01200005
NumberParameters: 67547703
   Parameter[0]: 00007ffdbce34730
   Parameter[1]: 00007ffdbc825170
   Parameter[2]: ffffffffffffffe8
   Parameter[3]: 0000000000000008
   Parameter[4]: 0000000000000001
   Parameter[5]: 0000002001040020
   Parameter[6]: 0000000400002c11
   Parameter[7]: 00007ffdba314970
   Parameter[8]: 00007ffdba65c770
   Parameter[9]: 00007ffdbce33bc8
   Parameter[10]: 00007ffdbce07828
   Parameter[11]: 00007ffdbce33b88
   Parameter[12]: 0000000000000000
   Parameter[13]: 00007ffdba3149b8
   Parameter[14]: 0001000100000000

PROCESS_NAME:  csc.dll

ERROR_CODE: (NTSTATUS) 0x80131623 - <Unable to get error code text>

EXCEPTION_CODE_STR:  80131623

IP_ON_STACK: 
+0
fd25ff00`003ffb15 ??              ???

UNALIGNED_STACK_POINTER:  fd25ff00003ffb15

STACK_TEXT:  
0000001d`9e3777a0 00007ffe`1a236b40     : 00000000`00000002 00000000`00000000 0000001d`9e3781a0 00000000`00000000 : coreclr!EEPolicy::HandleFatalError+0x7d
0000001d`9e377da0 00007ffe`18df7f85     : 0000001d`9e3781b0 000001a3`f227638c 0000001d`9e3781a0 00000000`00000000 : coreclr!Environment_FailFast+0x1d0
0000001d`9e378070 00007ffe`18df7ee4     : 0000001d`9e3781b0 000001a3`f2276380 0000001d`9e3781a0 00000000`00000000 : System_Private_CoreLib!System.Environment.FailFast+0x95
0000001d`9e378160 00007ffe`18df7e96     : 0000001d`9e3781b0 000001a3`f2276380 000001a3`f1bd8178 00000000`00000000 : System_Private_CoreLib!System.Environment.FailFast+0x14
0000001d`9e378190 00007ffd`bc8295ae     : 000001a3`f2276380 000001a3`f1bd8178 00000000`000072c6 000001a3`f22742fa : System_Private_CoreLib!System.Environment.FailFast+0x26
0000001d`9e3781c0 00007ffd`ae3b9017     : 000001a3`f1bd8178 000001a3`f1bd8178 00000000`00000000 00000000`00000000 : Microsoft_CodeAnalysis!Microsoft.CodeAnalysis.FailFast.OnFatalException+0xce
0000001d`9e378220 00007ffd`ae3b8f67     : 000001a3`f1bd8178 00000000`00000000 00000000`00000000 0000001d`9e37f3d0 : Microsoft_CodeAnalysis!Microsoft.CodeAnalysis.ErrorReporting.FatalError.Report+0x27
0000001d`9e378260 00007ffd`ad8ca8c5     : 000001a3`f1bd8178 00000000`00000000 00007ffe`1a3240d0 0000001d`9e37f3d0 : Microsoft_CodeAnalysis!Microsoft.CodeAnalysis.ErrorReporting.FatalError.ReportAndPropagateUnlessCanceled+0x27
0000001d`9e3782a0 00007ffe`19fbd4f7     : 0000001d`9e37f3d0 0000001d`9e378540 00007ffd`ad8ca896 000001a3`8308a770 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.MethodCompiler.<>c__DisplayClass25_0.<CompileNamedTypeAsync>b__0+0x55
0000001d`9e3782e0 00007ffe`18f580d0     : 0000001d`9e378de0 00007ffd`ad8ca896 00000000`00000001 000001a3`f1bd8178 : coreclr!CallFilterFunclet+0x197
0000001d`9e378400 00007ffe`18f579d9     : 000001a3`f1bd8178 0000001d`9e378d20 0000001d`9e378de0 0000001d`9e378658 : System_Private_CoreLib!System.Runtime.EH.FindFirstPassHandler+0x2c0
0000001d`9e378550 00007ffe`18f573fa     : 0000001d`9e378de0 0000001d`9e378d20 00000000`00000001 000001a3`8308a770 : System_Private_CoreLib!System.Runtime.EH.DispatchEx+0x239
0000001d`9e3786b0 00007ffe`1a0169a3     : 00000000`00000000 0000001d`9e378d20 00007ffe`37cc3aa1 00000000`00716bbe : System_Private_CoreLib!System.Runtime.EH.RhThrowHwEx+0xaa
0000001d`9e3786f0 00007ffe`19f754c8     : 0000001d`9e37aaf0 0000001d`9e37a600 00007ffe`1a26e230 00007ffd`ba430af0 : coreclr!CallDescrWorkerInternal+0x83
0000001d`9e378730 00007ffe`1a0cbe2a     : 00000000`00000000 0000001d`9e37aaf0 0000001d`9e37aaf0 000001a3`83085790 : coreclr!DispatchCallSimple+0x60
0000001d`9e3787c0 00007ffe`1a0a3b78     : 00000000`00000000 0000001d`9e380000 0000001d`9e380000 0000001d`9e37a360 : coreclr!HandleManagedFaultNew+0x192
0000001d`9e37a2d0 00007ffe`972bed36     : 00000000`00000000 00000000`00000002 0000001d`9c82a000 00007ffe`97487568 : coreclr!CLRVectoredExceptionHandlerShim+0xaa978
0000001d`9e37a320 00007ffe`972bf13e     : 00000000`00000000 00007ffe`00000030 0000001d`9e37a450 00007ffe`19ff9200 : ntdll!RtlpCallVectoredHandlers+0xd6
0000001d`9e37a3b0 00007ffe`9740379e     : 00007ffd`bce33af0 00007ffd`bce22028 00000000`00000000 00007ffe`19ef627e : ntdll!RtlDispatchException+0xae
0000001d`9e37a600 00007ffd`ad7c6bbe     : 000001a3`f1bd7280 00007ffd`ad91b329 000001a3`f1bd72a0 000001a3`f1bd7280 : ntdll!KiUserExceptionDispatch+0x2e
0000001d`9e37b370 00007ffd`ad96f722     : 0000001d`9e37b900 000001a3`e0494ff8 00000000`0000000f 000001a3`f1bd7260 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.Symbols.SymbolExtensions.GetTypeOrReturnType+0x1e
0000001d`9e37b3c0 00007ffd`ad371c75     : 0000001d`9e37b530 00007ffd`bbf220e2 000001a3`efdcee78 00000000`000002a8 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.Binder.GetCommonTypeOrReturnType<System.__Canon>+0x62
0000001d`9e37b430 00007ffd`ad36fe84     : 000001a3`efdcee58 00000000`00000000 000001a3`f1bd76b0 000001a3`8308a770 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.Binder.CreateBadCall+0x185
0000001d`9e37b500 00007ffd`ad36e38b     : 000001a3`e7163d00 000001a3`d8005808 000001a3`f1ba4cc0 0000001d`9e37bb40 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.Binder.BindInvocationExpressionContinued+0xb84
0000001d`9e37b910 00007ffd`ad36ceee     : 00000000`00000000 000001a3`f1b5c488 000001a3`00000000 000001a3`e7163d00 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.Binder.BindMethodGroupInvocation+0x2bb
0000001d`9e37bcb0 00007ffd`ad36c30c     : 0000001d`9e37bef0 00007ffd`bc51e5a8 0000f9b4`9f44ef5b 00007ffe`1a29a3c0 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.Binder.BindInvocationExpression+0x2ee
0000001d`9e37be00 00007ffd`ad5a8be0     : 00000000`00000001 000001a3`dd582d20 00000000`00000014 000001a3`f054a1f0 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.Binder.MakeInvocationExpression+0x16c
0000001d`9e37beb0 00007ffd`ad5ab585     : 000001a3`f1ba4c68 00000000`00000000 00000000`00000000 00007ffe`37c8a55a : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.SyntheticBoundNodeFactory.MakeInvocationExpression+0x160
0000001d`9e37bf80 00007ffd`ad58f257     : 000001a3`f06a5668 00007ffd`ad58b522 0000001d`9e37c0c0 00007ffd`ad43bc44 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.SyntheticBoundNodeFactory.StaticCall+0x65
0000001d`9e37c000 00007ffd`ad43dae0     : 000001a3`f1ba4170 000001a3`efe25a80 00000000`00000000 00007ffd`ad55ed65 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitInterpolatedString+0xe7
0000001d`9e37c100 00007ffd`ad43dce9     : 000001a3`dd75b0d0 0000001d`9e37c340 00000000`00000000 00007ffe`18f812a7 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.BoundTreeRewriterWithStackGuard.VisitExpressionWithoutStackGuard+0x20
0000001d`9e37c130 00007ffd`ad55d08d     : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.VisitExpressionWithStackGuard+0x59
0000001d`9e37c170 00007ffd`ad568b36     : 00007ffd`bc0adb00 000001a3`f046a830 0000001d`9e37c330 000001a3`df3b87a8 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitExpressionImpl+0x15d
0000001d`9e37c1f0 00007ffd`ad5965c2     : 000001a3`f18b9220 000001a3`f046a800 00000000`00000000 00000000`00000000 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitArgumentsAndCaptureReceiverIfNeeded+0x366
0000001d`9e37c350 00007ffd`ad5680f5     : 00000000`00000000 0000001d`9e37c438 00000000`00000000 00007ffd`ad7f4af0 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.<VisitCall>g__visitArgumentsAndFinishRewrite|148_1+0xd2
0000001d`9e37c410 00007ffd`ad43dae0     : 00000000`00000020 000001a3`f06a6430 000001a3`f1ba41a0 000001a3`df23b198 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitCall+0x65
0000001d`9e37c470 00007ffd`ad43dce9     : 0000001d`9e37c508 00000000`00000000 00000001`00000000 00000000`00000000 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.BoundTreeRewriterWithStackGuard.VisitExpressionWithoutStackGuard+0x20
0000001d`9e37c4a0 00007ffd`ad55d08d     : 00000000`00000020 000001a3`830858c0 000001a3`f1ba4288 000001a3`ddaff410 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.VisitExpressionWithStackGuard+0x59
0000001d`9e37c4e0 00007ffd`ad439258     : 00000000`00000000 00007ffd`ad43dae9 0000f9b4`9f44ef5b 00007ffe`1a29a3c0 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitExpressionImpl+0x15d
0000001d`9e37c560 00007ffd`ad58bc69     : 00000000`00000000 000001a3`8308a770 00000000`00000000 00007ffd`ae4f3747 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.BoundTreeRewriter.VisitReturnStatement+0x18
0000001d`9e37c590 00007ffd`ad55cf0c     : 00000000`00000000 000001a3`f1ba3058 000001a3`ef2ff378 00000000`00000001 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitReturnStatement+0x19
0000001d`9e37c5d0 00007ffd`ad56673a     : 000001a3`f1ba3008 00007ffd`ae4f36e5 000001a3`ee02c950 000001a3`ee02c950 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitStatement+0x1c
0000001d`9e37c600 00007ffd`ad5664a6     : 000001a3`ddaff440 000001a3`e7e904d8 0000001d`9e37c840 00000000`00000001 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitStatementSubList+0x4a
0000001d`9e37c660 00007ffd`ad43c92f     : 000001a3`f1ba3058 000001a3`f1ba3058 000001a3`d300d1a0 00007ffd`ad55efae : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitBlock+0xc6
0000001d`9e37c750 00007ffd`ad55d5ec     : 00000000`00000000 00000000`00000000 00000000`00000000 000001a3`f1ba3058 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.BoundTreeRewriter.VisitLambda+0x3f
0000001d`9e37c7c0 00007ffd`ad43dae0     : 000001a3`f1ba3058 00000000`00000000 000001a3`dda59820 000001a3`f043eda0 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitLambda+0x2cc
0000001d`9e37c850 00007ffd`ad43dce9     : 000001a3`f0469218 000001a3`d8005808 000001a3`de547ca0 00000000`00000000 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.BoundTreeRewriterWithStackGuard.VisitExpressionWithoutStackGuard+0x20
0000001d`9e37c880 00007ffd`ad55d08d     : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.VisitExpressionWithStackGuard+0x59
0000001d`9e37c8c0 00007ffd`ad571b2b     : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitExpressionImpl+0x15d
0000001d`9e37c940 00007ffd`ad43dae0     : 0000f9b4`9f44ef5b 00007ffe`1a29a3c0 00000000`00000000 00000000`00000000 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitConversion+0x3bb
0000001d`9e37cb80 00007ffd`ad43dce9     : 000001a3`dd75b0d0 0000001d`9e37cdc0 00000000`00000000 00007ffe`18f812a7 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.BoundTreeRewriterWithStackGuard.VisitExpressionWithoutStackGuard+0x20
0000001d`9e37cbb0 00007ffd`ad55d08d     : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.VisitExpressionWithStackGuard+0x59
0000001d`9e37cbf0 00007ffd`ad568b36     : 000001a3`f1ba4408 000001a3`f18b9240 0000001d`9e37cec0 00000000`00000001 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitExpressionImpl+0x15d
0000001d`9e37cc70 00007ffd`ad5965c2     : 00000000`00000000 0000001d`9e37ce70 00000000`0000000f 00000000`00000000 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitArgumentsAndCaptureReceiverIfNeeded+0x366
0000001d`9e37cdd0 00007ffd`ad5680f5     : 000001a3`df34b380 00000000`00000000 00000000`00000000 000001a3`efdd8990 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.<VisitCall>g__visitArgumentsAndFinishRewrite|148_1+0xd2
0000001d`9e37ce90 00007ffd`ad43dae0     : 00000000`00000000 000001a3`f06c5540 000001a3`dda59820 000001a3`df34b380 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitCall+0x65
0000001d`9e37cef0 00007ffd`ad43dce9     : 0000000f`00000000 000001a3`f1ba4488 000001a3`ee02c950 00000000`00000000 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.BoundTreeRewriterWithStackGuard.VisitExpressionWithoutStackGuard+0x20
0000001d`9e37cf20 00007ffd`ad55d08d     : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.VisitExpressionWithStackGuard+0x59
0000001d`9e37cf60 00007ffd`ad439258     : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : Microsoft_CodeAnalysis_CSharp!Microsoft.CodeAnalysis.CSharp.LocalRewriter.VisitExpressionImpl+0x15d

FAULTING_SOURCE_LINE:  _/src/Compilers/Core/Portable/InternalUtilities/FailFast.cs

FAULTING_SOURCE_FILE:  _/src/Compilers/Core/Portable/InternalUtilities/FailFast.cs

FAULTING_SOURCE_LINE_NUMBER:  43

FAULTING_SOURCE_CODE:  
No source found for '_/src/Compilers/Core/Portable/InternalUtilities/FailFast.cs'


SYMBOL_NAME:  Microsoft_CodeAnalysis!Microsoft.CodeAnalysis.FailFast.OnFatalException+ce

MODULE_NAME: Microsoft_CodeAnalysis

IMAGE_NAME:  Microsoft.CodeAnalysis.dll

STACK_COMMAND:  ~19s; .ecxr ; kb

FAILURE_BUCKET_ID:  CLR_FAILFAST_80131623_Microsoft.CodeAnalysis.dll!Microsoft.CodeAnalysis.FailFast.OnFatalException

OS_VERSION:  10.0.26100.1

BUILDLAB_STR:  ge_release

OSPLATFORM_TYPE:  x64

OSNAME:  Windows 10

IMAGE_VERSION:  4.1200.24.57006

FAILURE_ID_HASH:  {1fd24f15-3514-e141-c3dc-154b0fffcf86}

Followup:     MachineOwner
---------

Diagnostic Id:

There seems to be no diagnostic ID being generated. The CompilerServer quits with the message: CompilerServer: server failed - server rejected the request 'Error reading response: Reached end of stream before end of read.' - Net9CompilerCrash (net9.0)

Expected Behavior:

The program to build like when using .NET 8.

Actual Behavior:

The build does not finish, but instead throws an error.
@dotnet-issue-labeler dotnet-issue-labeler bot added Area-Compilers untriaged Issues and PRs which have not yet been triaged by a lead labels Dec 27, 2024
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