Test failure: readytorun\\crossgen2\\crossgen2smoke_donotalwaysusecrossgen2\\crossgen2smoke_donotalwaysusecrossgen2.cmd

[v-haren]

failed in job: runtime-coreclr outerloop 20201103.4

failed tests:
readytorun\crossgen2\crossgen2smoke_donotalwaysusecrossgen2\crossgen2smoke_donotalwaysusecrossgen2.cmd
readytorun/crossgen2/crossgen2smoke_donotalwaysusecrossgen2/crossgen2smoke_donotalwaysusecrossgen2.sh

R2R windows x86 Checked @ Windows.10.Amd64.Open

Error message

Assert failure(PID 2980 [0x00000ba4], Thread: 4220 [0x107c]): decoderNew.AtEnd() == decoderExisting.AtEnd()

CORECLR! CheckGCRefMapEqual + 0xF4 (0x6ba7c0ad)
CORECLR! ExternalMethodFixupWorker + 0x64E (0x6bb2229e)
CORECLR! DelayLoad_MethodCall + 0x23 (0x6bea7592)
CROSSGEN2SMOKE_DONOTALWAYSUSECR! <no symbol> + 0x0 (0x6b6a2cf0)
CROSSGEN2SMOKE_DONOTALWAYSUSECR! <no symbol> + 0x0 (0x6b6a4410)
CORECLR! CallDescrWorkerInternal + 0x34 (0x6bea7271)
CORECLR! CallDescrWorker + 0xD7 (0x6bba8ba9)
CORECLR! CallDescrWorkerWithHandler + 0xF6 (0x6bba8d01)
CORECLR! MethodDescCallSite::CallTargetWorker + 0x64F (0x6bba9387)
CORECLR! RunMainInternal + 0x1B0 (0x6b9898b4)
    File: F:\workspace\_work\1\s\src\coreclr\src\vm\frames.cpp Line: 2085
    Image: C:\h\w\ACF8094A\p\CoreRun.exe


Return code:      1
Raw output file:      C:\h\w\ACF8094A\w\9D6108A6\e\readytorun\crossgen2\Reports\readytorun.crossgen2\crossgen2smoke_donotalwaysusecrossgen2\crossgen2smoke_donotalwaysusecrossgen2.output.txt
Raw output:
BEGIN EXECUTION
        1 file(s) copied.
" "C:\h\w\ACF8094A\p\crossgen.exe"  /Platform_Assemblies_Paths C:\h\w\ACF8094A\p;C:\h\w\ACF8094A\w\9D6108A6\e\readytorun\crossgen2\crossgen2smoke_donotalwaysusecrossgen2 /in C:\h\w\ACF8094A\w\9D6108A6\e\readytorun\crossgen2\crossgen2smoke_donotalwaysusecrossgen2\crossgen2smoke_donotalwaysusecrossgen2.org /out C:\h\w\ACF8094A\w\9D6108A6\e\readytorun\crossgen2\crossgen2smoke_donotalwaysusecrossgen2\\crossgen2smoke_donotalwaysusecrossgen2.dll"
Microsoft (R) CoreCLR Native Image Generator - Version 6.0.0-ci
Copyright (c) Microsoft Corporation.  All rights reserved.

Native image C:\h\w\ACF8094A\w\9D6108A6\e\readytorun\crossgen2\crossgen2smoke_donotalwaysusecrossgen2\\crossgen2smoke_donotalwaysusecrossgen2.dll generated successfully.
 "C:\h\w\ACF8094A\p\corerun.exe" crossgen2smoke_donotalwaysusecrossgen2.dll 
Hello CoreRT R2R running on CoreCLR!
Object is string: C:\h\w\ACF8094A\t\tmp441D.tmp
Object 12345678 is int: 12345678
LineCount: 0x12345678, @ = 0x02A236FC
ClassWithStatic.Static: 0x00000666, @ = 0x02A236F8
LineCount: 0x12345678, @ = 0x02A236FC
String: C:\h\w\ACF8094A\t\tmp441D.tmp

Int: 12345678
unbox == box: original 305419896, boxed 12345678, unboxed 12345678
unbox_nullable == box_nullable: original 12345678, boxed 12345678, unboxed 12345678
BoxUnboxToNQ: c
BoxUnboxToNQ1: c
System.String
System.Int32
System.String
Dumping file: C:\h\w\ACF8094A\t\tmp441D.tmp
Input for a test
A small cog in the machine
Turning endlessly

Dumping file: C:\h\w\ACF8094A\t\tmp441D.tmp
StreamReader created ...
Line 1: Input for a test
Line 2: A small cog in the machine
lower = 'x', upper = 'X'
C:\H\W\ACF8094A\T\TMP441D.TMP
SampleAction() called!
Func<char,char> string: C:\H\W\ACF8094A\T\TMP441D.TMP
Successfully constructed empty List<int>!
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 
1 10 100 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 42 43 44 45 46 47 48 49 5 50 51 52 53 54 55 56 57 58 59 6 60 61 62 63 64 65 66 67 68 69 7 70 71 72 73 74 75 76 77 78 79 8 80 81 82 83 84 85 86 87 88 89 9 90 91 92 93 94 95 96 97 98 99 
Successfully constructed TestClass
DisposeStruct test: Program+DisposeStruct
DisposeStruct disposed!
DisposeClass created!
DisposeClass test: Program+DisposeClass
DisposeClass disposed!
DisposeEnumeratorTest: System.Collections.Generic.List`1+Enumerator[System.String]
Successfully constructed Array.Empty<int>!


Stack trace
   at readytorun_crossgen2._crossgen2smoke_donotalwaysusecrossgen2_crossgen2smoke_donotalwaysusecrossgen2_._crossgen2smoke_donotalwaysusecrossgen2_crossgen2smoke_donotalwaysusecrossgen2_cmd() in F:\workspace\_work\1\s\artifacts\tests\coreclr\windows.x86.Checked\TestWrappers\readytorun.crossgen2\readytorun.crossgen2.XUnitWrapper.cs:line 260

[BruceForstall]

Seems to have started with https://dev.azure.com/dnceng/public/_build/results?buildId=872847&view=ms.vss-test-web.build-test-results-tab

@davidwrighton Looks to have made a crossgen2-related change that hit that build.

cc @dotnet/crossgen-contrib

[directhex]

CI failure resolved by #44404 (although the underlying issue still needs fixing)