Neko quits expectantly

Every time I run `openfl test ios -simulator -v -clean` I get `neko quits unexpectantly` several times during the build. Here is the crash log:-
```
Process: neko [26092]
Path: /usr/local/lib/neko/neko
Identifier: neko
Version: 0
Code Type: X86-64 (Native)
Parent Process: ??? [26091]
Responsible: neko [26092]
User ID: 501

Date/Time: 2019-02-12 21:51:21.571 +0800
OS Version: Mac OS X 10.13.6 (17G5019)
Report Version: 12
Anonymous UUID: 7121AEB4-AA96-98E3-3008-43D58AD0FFAD

Sleep/Wake UUID: 4F94281B-CBEF-4FED-A3C8-87E6976C38DC

Time Awake Since Boot: 62000 seconds
Time Since Wake: 1500 seconds

System Integrity Protection: enabled

Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Exception Type: EXC_BAD_ACCESS (SIGILL)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY

Termination Signal: Illegal instruction: 4
Termination Reason: Namespace SIGNAL, Code 0x4
Terminating Process: neko [26092]

VM Regions Near 0:
-->
__TEXT 00000001039f4000-00000001039f7000 [ 12K] r-x/rwx SM=COW /usr/local/lib/neko/neko

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread

Thread 1:
0 libsystem_kernel.dylib 0x00007fff71887a16 __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x00007fff71a50589 _pthread_cond_wait + 732
2 libneko.2.dylib 0x0000000103a3a7c7 GC_wait_marker + 23
3 libneko.2.dylib 0x0000000103a2f47e GC_help_marker + 174
4 libneko.2.dylib 0x0000000103a3878f GC_mark_thread + 175
5 libsystem_pthread.dylib 0x00007fff71a4f661 _pthread_body + 340
6 libsystem_pthread.dylib 0x00007fff71a4f50d _pthread_start + 377
7 libsystem_pthread.dylib 0x00007fff71a4ebf9 thread_start + 13

Thread 2:
0 libsystem_kernel.dylib 0x00007fff71887a16 __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x00007fff71a50589 _pthread_cond_wait + 732
2 libneko.2.dylib 0x0000000103a3a7c7 GC_wait_marker + 23
3 libneko.2.dylib 0x0000000103a2f47e GC_help_marker + 174
4 libneko.2.dylib 0x0000000103a3878f GC_mark_thread + 175
5 libsystem_pthread.dylib 0x00007fff71a4f661 _pthread_body + 340
6 libsystem_pthread.dylib 0x00007fff71a4f50d _pthread_start + 377
7 libsystem_pthread.dylib 0x00007fff71a4ebf9 thread_start + 13

Thread 3:
0 libsystem_kernel.dylib 0x00007fff71887a16 __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x00007fff71a50589 _pthread_cond_wait + 732
2 libneko.2.dylib 0x0000000103a3a7c7 GC_wait_marker + 23
3 libneko.2.dylib 0x0000000103a2f47e GC_help_marker + 174
4 libneko.2.dylib 0x0000000103a3878f GC_mark_thread + 175
5 libsystem_pthread.dylib 0x00007fff71a4f661 _pthread_body + 340
6 libsystem_pthread.dylib 0x00007fff71a4f50d _pthread_start + 377
7 libsystem_pthread.dylib 0x00007fff71a4ebf9 thread_start + 13

Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000001 rbx: 0x0000000000000000 rcx: 0x00007fff71887ff2 rdx: 0x0000000000000000
rdi: 0x0000000103adbe40 rsi: 0x0000000000000001 rbp: 0x0000000000000000 rsp: 0x0000000000000000
r8: 0x65706970206e656b r9: 0x00007ffeec20b520 r10: 0x00007fff718894ba r11: 0x0000000000000246
r12: 0x0000000000000000 r13: 0x0000000000000000 r14: 0x0000000000000000 r15: 0x0000000000000000
rip: 0x0000000000000000 rfl: 0x0000000000010202 cr2: 0x0000000000000000

Logical CPU: 3
Error Code: 0x00000014
Trap Number: 14

Binary Images:
0x1039f4000 - 0x1039f6fff +neko (0) <89AE61A8-B08F-39F6-A887-ACBA9299FC2F> /usr/local/bin/neko
0x1039fa000 - 0x103a3efff +libneko.2.dylib (0) <2CD75048-A87C-32FF-8E9F-1723891C65C3> /usr/local/lib/neko/libneko.2.dylib
0x103c83000 - 0x103ca3ff7 +std.ndll (0) <92568D0A-1450-35EC-85FC-1EF648F41A78> /usr/local/lib/neko/std.ndll
0x103cb9000 - 0x103d49fff +regexp.ndll (0) /usr/local/lib/neko/regexp.ndll
0x103d4f000 - 0x103d65ff7 +zlib.ndll (0) <9CAB4AEE-A8EA-391F-9212-651FF3F800E6> /usr/local/lib/neko/zlib.ndll
0x103d69000 - 0x103dfffff +ssl.ndll (0) /usr/local/lib/neko/ssl.ndll
0x10ad3a000 - 0x10ad84acf dyld (551.5) <30B355CB-35BA-3112-AA76-4E46CD45F699> /usr/lib/dyld
0x7fff45cf6000 - 0x7fff45cf6fff com.apple.Accelerate (1.11 - Accelerate 1.11) <8632A9C5-19EA-3FD7-A44D-80765CC9C540> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
0x7fff45d0e000 - 0x7fff4620cfc3 com.apple.vImage (8.1 - ???) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
0x7fff4620d000 - 0x7fff46367fe3 libBLAS.dylib (1211.50.2) <62C659EB-3E32-3B5F-83BF-79F5DF30D5CE> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
0x7fff46368000 - 0x7fff46396fef libBNNS.dylib (38.1) <7BAEFDCA-3227-3E07-80D8-59B6370B89C6> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBNNS.dylib
0x7fff46397000 - 0x7fff46756ff7 libLAPACK.dylib (1211.50.2) <40ADBA5F-8B2D-30AC-A7AD-7B17C37EE52D> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
0x7fff46757000 - 0x7fff4676cff7 libLinearAlgebra.dylib (1211.50.2) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLinearAlgebra.dylib
0x7fff4676d000 - 0x7fff46772ff3 libQuadrature.dylib (3) <3D6BF66A-55B2-3692-BAC7-DEB0C676ED29> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libQuadrature.dylib
0x7fff46773000 - 0x7fff467f3fff libSparse.dylib (79.50.2) <0DC25CDD-F8C1-3D6E-B472-8B060708424F> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparse.dylib
0x7fff467f4000 - 0x7fff46807fff libSparseBLAS.dylib (1211.50.2) <722573CC-31CC-34B2-9032-E4F652A9CCFE> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparseBLAS.dylib
0x7fff46808000 - 0x7fff469b5fc3 libvDSP.dylib (622.50.5) <40690941-CF89-3F90-A0AC-A4D200744A5D> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
0x7fff469b6000 - 0x7fff46a67fff libvMisc.dylib (622.50.5) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
0x7fff46a68000 - 0x7fff46a68fff com.apple.Accelerate.vecLib (3.11 - vecLib 3.11) <54FF3B43-E66C-3F36-B34B-A2B3B0A36502> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
0x7fff47c0c000 - 0x7fff47c0cfff com.apple.ApplicationServices (48 - 50) <3E227FC4-415F-3575-8C9C-8648301782C0> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices
0x7fff47c0d000 - 0x7fff47c73fff com.apple.ApplicationServices.ATS (377 - 445.5) <703CE7E4-426A-35C0-A229-F140F30F5340> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
0x7fff47d0c000 - 0x7fff47e2efff libFontParser.dylib (222.1.6) <6CEBACDD-B848-302E-B4B2-630CB16E663E> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontParser.dylib
0x7fff47e2f000 - 0x7fff47e79ff7 libFontRegistry.dylib (221.5) <8F68EA59-C8EE-3FA3-BD19-0F1A58441440> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontRegistry.dylib
0x7fff47fbb000 - 0x7fff47fbfff3 com.apple.ColorSyncLegacy (4.13.0 - 1) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSyncLegacy.framework/Versions/A/ColorSyncLegacy
0x7fff4805f000 - 0x7fff480b1ffb com.apple.HIServices (1.22 - 624.1) <66FD9ED2-9630-313C-86AE-4C2FBCB3F351> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
0x7fff480b2000 - 0x7fff480c0fff com.apple.LangAnalysis (1.7.0 - 1.7.0) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
0x7fff480c1000 - 0x7fff4810dfff com.apple.print.framework.PrintCore (13.4 - 503.2) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore
0x7fff4810e000 - 0x7fff48148fff com.apple.QD (3.12 - 404.2) <38B20AFF-9D54-3B52-A6DC-C0D71380AA5F> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD
0x7fff48149000 - 0x7fff48155fff com.apple.speech.synthesis.framework (7.8.1 - 7.8.1) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis
0x7fff48156000 - 0x7fff483e4ff7 com.apple.audio.toolbox.AudioToolbox (1.14 - 1.14) /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
0x7fff48709000 - 0x7fff48aa4ff7 com.apple.CFNetwork (902.3.1 - 902.3.1) <4C012538-BB8A-32F3-AACA-011092BEFAB1> /System/Library/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
0x7fff48fd9000 - 0x7fff49092fff com.apple.ColorSync (4.13.0 - 3325) /System/Library/Frameworks/ColorSync.framework/Versions/A/ColorSync
0x7fff4921f000 - 0x7fff492b2ff7 com.apple.audio.CoreAudio (4.3.0 - 4.3.0) /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
0x7fff49343000 - 0x7fff49699fef com.apple.CoreData (120 - 851) /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
0x7fff4969a000 - 0x7fff4977dfff com.apple.CoreDisplay (99.14 - 99.14) /System/Library/Frameworks/CoreDisplay.framework/Versions/A/CoreDisplay
0x7fff4977e000 - 0x7fff49c1fff7 com.apple.CoreFoundation (6.9 - 1454.93) /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x7fff49c21000 - 0x7fff4a231fef com.apple.CoreGraphics (2.0 - 1161.21.2) /System/Library/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics
0x7fff4a233000 - 0x7fff4a522fff com.apple.CoreImage (13.0.0 - 579.5) /System/Library/Frameworks/CoreImage.framework/Versions/A/CoreImage
0x7fff4a8f7000 - 0x7fff4a8f7fff com.apple.CoreServices (822.37 - 822.37) <264305C4-BB1C-3D3B-A2B1-D4EAA02669BF> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
0x7fff4a8f8000 - 0x7fff4a96cffb com.apple.AE (735.1 - 735.1) <08EBA184-20F7-3725-AEA6-C314448161C6> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE
0x7fff4a96d000 - 0x7fff4ac44fff com.apple.CoreServices.CarbonCore (1178.4 - 1178.4) <0D5E19BF-18CB-3FA4-8A5F-F6C787C5EE08> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
0x7fff4ac45000 - 0x7fff4ac79fff com.apple.DictionaryServices (1.2 - 284.2) <6505B075-41C3-3C62-A4C3-85CE3F6825CD> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices
0x7fff4ac7a000 - 0x7fff4ac82ffb com.apple.CoreServices.FSEvents (1239.50.1 - 1239.50.1) <3637CEC7-DF0E-320E-9634-44A442925C65> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/FSEvents.framework/Versions/A/FSEvents
0x7fff4ac83000 - 0x7fff4ae41ff7 com.apple.LaunchServices (822.37 - 822.37) <6AA93307-220A-3417-BBC2-FE1C0DE0B652> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
0x7fff4ae42000 - 0x7fff4aef2fff com.apple.Metadata (10.7.0 - 1191.7) <3DD530A7-E104-3469-98BB-20449834B2FE> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
0x7fff4aef3000 - 0x7fff4af53fff com.apple.CoreServices.OSServices (822.37 - 822.37) <4AD2FC98-C6CB-392A-A22F-196A723D7FAE> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices
0x7fff4af54000 - 0x7fff4afc2fff com.apple.SearchKit (1.4.0 - 1.4.0) <3662545A-B1CF-3079-BDCD-C83855CEFEEE> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
0x7fff4afc3000 - 0x7fff4afe7ffb com.apple.coreservices.SharedFileList (71.21 - 71.21) <1B5228EF-D869-3A50-A373-7F4B0289FADD> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SharedFileList.framework/Versions/A/SharedFileList
0x7fff4b288000 - 0x7fff4b3d8fff com.apple.CoreText (352.0 - 578.22) <6129F39D-284D-3BBF-8999-7854AB61C01C> /System/Library/Frameworks/CoreText.framework/Versions/A/CoreText
0x7fff4b3d9000 - 0x7fff4b413fff com.apple.CoreVideo (1.8 - 0.0) <86CCC036-51BB-3DD1-9601-D93798BCCD0F> /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
0x7fff4b71a000 - 0x7fff4b71ffff com.apple.DiskArbitration (2.7 - 2.7) /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
0x7fff4b8e0000 - 0x7fff4bca6ff3 com.apple.Foundation (6.9 - 1454.93) <4780F1E1-7F46-3028-B2D1-C7960A8BD5AB> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
0x7fff4bd17000 - 0x7fff4bd47ff3 com.apple.GSS (4.0 - 2.0) /System/Library/Frameworks/GSS.framework/Versions/A/GSS
0x7fff4bfbd000 - 0x7fff4c059fff com.apple.framework.IOKit (2.0.2 - 1445.71.4) <52A5F1FF-BBAA-3088-933A-BD4A8AF6F6B1> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
0x7fff4c05b000 - 0x7fff4c062fff com.apple.IOSurface (211.15 - 211.15) <9FD406F1-6BF2-35B0-8339-DF83A1A661EB> /System/Library/Frameworks/IOSurface.framework/Versions/A/IOSurface
0x7fff4c0b9000 - 0x7fff4c233ff7 com.apple.ImageIO.framework (3.3.0 - 1739.3) <7C579D3F-AE0B-31C9-8F80-67F2290B8DE0> /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
0x7fff4c234000 - 0x7fff4c238ffb libGIF.dylib (1739.3) <7AA44C9D-48E8-3090-B044-61FE6F0AEF38> /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libGIF.dylib
0x7fff4c239000 - 0x7fff4c320fef libJP2.dylib (1739.3) /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libJP2.dylib
0x7fff4c321000 - 0x7fff4c344ff7 libJPEG.dylib (1739.3) /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libJPEG.dylib
0x7fff4c620000 - 0x7fff4c646feb libPng.dylib (1739.3) <1737F680-99D1-3F03-BFA5-5CDA30EB880A> /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libPng.dylib
0x7fff4c647000 - 0x7fff4c649ffb libRadiance.dylib (1739.3) <21746434-FCC7-36DE-9331-11277DF66AA8> /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libRadiance.dylib
0x7fff4c64a000 - 0x7fff4c698fef libTIFF.dylib (1739.3) /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libTIFF.dylib
0x7fff4d552000 - 0x7fff4d56bff7 com.apple.Kerberos (3.0 - 1) /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos
0x7fff4df4d000 - 0x7fff4dfcefff com.apple.Metal (125.30 - 125.30) <6B9EBDEE-C64C-3C1C-922A-0363B642C9BC> /System/Library/Frameworks/Metal.framework/Versions/A/Metal
0x7fff4dfeb000 - 0x7fff4e006fff com.apple.MetalPerformanceShaders.MPSCore (1.0 - 1) /System/Library/Frameworks/MetalPerformanceShaders.framework/Frameworks/MPSCore.framework/Versions/A/MPSCore
0x7fff4e007000 - 0x7fff4e076fef com.apple.MetalPerformanceShaders.MPSImage (1.0 - 1) <338B7779-E608-3D68-8A07-2ACC11299744> /System/Library/Frameworks/MetalPerformanceShaders.framework/Frameworks/MPSImage.framework/Versions/A/MPSImage
0x7fff4e077000 - 0x7fff4e09bfff com.apple.MetalPerformanceShaders.MPSMatrix (1.0 - 1) <9CE072D7-853B-3939-9645-7EB951376B87> /System/Library/Frameworks/MetalPerformanceShaders.framework/Frameworks/MPSMatrix.framework/Versions/A/MPSMatrix
0x7fff4e09c000 - 0x7fff4e183ff7 com.apple.MetalPerformanceShaders.MPSNeuralNetwork (1.0 - 1) <0DE891AD-27E5-38FF-AEC8-4A95356C4357> /System/Library/Frameworks/MetalPerformanceShaders.framework/Frameworks/MPSNeuralNetwork.framework/Versions/A/MPSNeuralNetwork
0x7fff4e184000 - 0x7fff4e184ff7 com.apple.MetalPerformanceShaders.MetalPerformanceShaders (1.0 - 1) <2D2D261C-50B0-32F9-BF9A-5C01382BB528> /System/Library/Frameworks/MetalPerformanceShaders.framework/Versions/A/MetalPerformanceShaders
0x7fff4f183000 - 0x7fff4f18fffb com.apple.NetFS (6.0 - 4.0) <471DD96F-FA2E-3FE9-9746-2519A6780D1A> /System/Library/Frameworks/NetFS.framework/Versions/A/NetFS
0x7fff51f81000 - 0x7fff51fdbff7 com.apple.opencl (2.8.24 - 2.8.24) <058114A8-6825-31D7-976E-0612B6A273E9> /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL
0x7fff51fdc000 - 0x7fff51ff8ffb com.apple.CFOpenDirectory (10.13 - 207.50.1) <29F55F7B-379F-3053-8FF3-5C6675A3DD4D> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/Frameworks/CFOpenDirectory.framework/Versions/A/CFOpenDirectory
0x7fff51ff9000 - 0x7fff52004fff com.apple.OpenDirectory (10.13 - 207.50.1) /System/Library/Frameworks/OpenDirectory.framework/Versions/A/OpenDirectory
0x7fff53183000 - 0x7fff53185fff libCVMSPluginSupport.dylib (16.7.4) /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCVMSPluginSupport.dylib
0x7fff53186000 - 0x7fff5318bffb libCoreFSCache.dylib (162.9) /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreFSCache.dylib
0x7fff5318c000 - 0x7fff53190fff libCoreVMClient.dylib (162.9) <4E4F3EA2-5B53-31A3-8256-54EFAA94E4D6> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreVMClient.dylib
0x7fff53191000 - 0x7fff5319aff3 libGFXShared.dylib (16.7.4) /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.dylib
0x7fff5319b000 - 0x7fff531a6fff libGL.dylib (16.7.4) <2BB333D3-5C61-33DF-8545-06DF2D08B83D> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
0x7fff531a7000 - 0x7fff531e2fe7 libGLImage.dylib (16.7.4) <4DA003CE-0B74-3FE4-808C-B2FBCE517EB4> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib
0x7fff53351000 - 0x7fff5338fffb libGLU.dylib (16.7.4) /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
0x7fff53d07000 - 0x7fff53d16ff3 com.apple.opengl (16.7.4 - 16.7.4) <9BDE8FF9-5418-3C70-8D1C-09656884CE48> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
0x7fff54b65000 - 0x7fff54db1ff7 com.apple.QuartzCore (1.11 - 584.64.2) /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
0x7fff555e7000 - 0x7fff55912fff com.apple.security (7.0 - 58286.70.9) <2F4537D6-9FA7-32BE-8D3D-31E5992D096F> /System/Library/Frameworks/Security.framework/Versions/A/Security
0x7fff55913000 - 0x7fff5599fff7 com.apple.securityfoundation (6.0 - 55185.50.5) <67B7E8AD-2C9A-35B0-B05E-88ED346FC02B> /System/Library/Frameworks/SecurityFoundation.framework/Versions/A/SecurityFoundation
0x7fff559d1000 - 0x7fff559d5ffb com.apple.xpc.ServiceManagement (1.0 - 1) <85D84D87-E387-3422-A788-FD17F7180A2C> /System/Library/Frameworks/ServiceManagement.framework/Versions/A/ServiceManagement
0x7fff55d7a000 - 0x7fff55deaff3 com.apple.SystemConfiguration (1.17 - 1.17) <8532B8E9-7E30-35A3-BC4A-DDE8E0614FDA> /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration
0x7fff58ce7000 - 0x7fff58d7afff com.apple.APFS (1.0 - 1) <6BBB3988-1C91-314F-A77A-4E093A1B18F0> /System/Library/PrivateFrameworks/APFS.framework/Versions/A/APFS
0x7fff59b23000 - 0x7fff59b6bff3 com.apple.AppleJPEG (1.0 - 1) <8DD410CB-76A1-3F22-9A9F-0491FA0CEB4A> /System/Library/PrivateFrameworks/AppleJPEG.framework/Versions/A/AppleJPEG
0x7fff59ba6000 - 0x7fff59bcefff com.apple.applesauce (1.0 - ???) /System/Library/PrivateFrameworks/AppleSauce.framework/Versions/A/AppleSauce
0x7fff5a3f1000 - 0x7fff5a3f8ff7 com.apple.coreservices.BackgroundTaskManagement (1.0 - 57.1) <51A41CA3-DB1D-3380-993E-99C54AEE518E> /System/Library/PrivateFrameworks/BackgroundTaskManagement.framework/Versions/A/BackgroundTaskManagement
0x7fff5be3a000 - 0x7fff5be43ff3 com.apple.CommonAuth (4.0 - 2.0) <230E9C02-9A73-3ED5-BD3D-9E04CAC5F74F> /System/Library/PrivateFrameworks/CommonAuth.framework/Versions/A/CommonAuth
0x7fff5c957000 - 0x7fff5c967ff7 com.apple.CoreEmoji (1.0 - 69.3) /System/Library/PrivateFrameworks/CoreEmoji.framework/Versions/A/CoreEmoji
0x7fff5db0f000 - 0x7fff5db13ffb com.apple.DSExternalDisplay (3.1 - 380) <901B7F6D-376A-3848-99D0-170C4D00F776> /System/Library/PrivateFrameworks/DSExternalDisplay.framework/Versions/A/DSExternalDisplay
0x7fff5ebe3000 - 0x7fff5f011fff com.apple.vision.FaceCore (3.3.2 - 3.3.2) /System/Library/PrivateFrameworks/FaceCore.framework/Versions/A/FaceCore
0x7fff622d9000 - 0x7fff622defff com.apple.GPUWrangler (3.20.0 - 3.20.0) <54EC174A-C5E6-3CA2-8A8D-9DA6ACE68C3D> /System/Library/PrivateFrameworks/GPUWrangler.framework/Versions/A/GPUWrangler
0x7fff63054000 - 0x7fff63063fff com.apple.GraphVisualizer (1.0 - 5) /System/Library/PrivateFrameworks/GraphVisualizer.framework/Versions/A/GraphVisualizer
0x7fff630e6000 - 0x7fff6315afff com.apple.Heimdal (4.0 - 2.0) /System/Library/PrivateFrameworks/Heimdal.framework/Versions/A/Heimdal
0x7fff63a6a000 - 0x7fff63a71ff7 com.apple.IOAccelerator (378.26 - 378.26) <2274BE11-18DE-3B13-BCDB-C488C9BB19AD> /System/Library/PrivateFrameworks/IOAccelerator.framework/Versions/A/IOAccelerator
0x7fff63a75000 - 0x7fff63a8cfff com.apple.IOPresentment (1.0 - 35.1) <7C6332FF-6535-3064-B437-1E9F70671927> /System/Library/PrivateFrameworks/IOPresentment.framework/Versions/A/IOPresentment
0x7fff64116000 - 0x7fff6420bff7 com.apple.LanguageModeling (1.0 - 159.5.3) <7F0AC200-E3DD-39FB-8A95-00DD70B66A9F> /System/Library/PrivateFrameworks/LanguageModeling.framework/Versions/A/LanguageModeling
0x7fff6420c000 - 0x7fff6424efff com.apple.Lexicon-framework (1.0 - 33.5) /System/Library/PrivateFrameworks/Lexicon.framework/Versions/A/Lexicon
0x7fff64252000 - 0x7fff64259ff7 com.apple.LinguisticData (1.0 - 238.3) <49A54649-1021-3DBD-99B8-1B2EDFFA5378> /System/Library/PrivateFrameworks/LinguisticData.framework/Versions/A/LinguisticData
0x7fff64f6b000 - 0x7fff64fd4ff7 com.apple.gpusw.MetalTools (1.0 - 1) /System/Library/PrivateFrameworks/MetalTools.framework/Versions/A/MetalTools
0x7fff65208000 - 0x7fff65232ffb com.apple.MultitouchSupport.framework (1614.1 - 1614.1) /System/Library/PrivateFrameworks/MultitouchSupport.framework/Versions/A/MultitouchSupport
0x7fff65499000 - 0x7fff654a4fff com.apple.NetAuth (6.2 - 6.2) <6B8932DD-ABC2-334C-BEA2-20F049634167> /System/Library/PrivateFrameworks/NetAuth.framework/Versions/A/NetAuth
0x7fff6b4ee000 - 0x7fff6b78afff com.apple.SkyLight (1.600.0 - 312.103.2) /System/Library/PrivateFrameworks/SkyLight.framework/Versions/A/SkyLight
0x7fff6d0ff000 - 0x7fff6d107ff7 com.apple.TCC (1.0 - 1) /System/Library/PrivateFrameworks/TCC.framework/Versions/A/TCC
0x7fff6edad000 - 0x7fff6edafffb com.apple.loginsupport (1.0 - 1) /System/Library/PrivateFrameworks/login.framework/Versions/A/Frameworks/loginsupport.framework/Versions/A/loginsupport
0x7fff6ef16000 - 0x7fff6ef49ff7 libclosured.dylib (551.5) <112BC241-6626-3848-8DD8-B34B5B6F7ABC> /usr/lib/closure/libclosured.dylib
0x7fff6f003000 - 0x7fff6f03cff7 libCRFSuite.dylib (41) /usr/lib/libCRFSuite.dylib
0x7fff6f03d000 - 0x7fff6f048fff libChineseTokenizer.dylib (28) <53633C9B-A3A8-36F7-A53C-432D802F4BB8> /usr/lib/libChineseTokenizer.dylib
0x7fff6f0da000 - 0x7fff6f0dbff3 libDiagnosticMessagesClient.dylib (104) <9712E980-76EE-3A89-AEA6-DF4BAF5C0574> /usr/lib/libDiagnosticMessagesClient.dylib
0x7fff6f112000 - 0x7fff6f2dcff3 libFosl_dynamic.dylib (17.8) /usr/lib/libFosl_dynamic.dylib
0x7fff6f314000 - 0x7fff6f314fff libOpenScriptingUtil.dylib (174) <610F0242-7CE5-3C86-951B-B646562694AF> /usr/lib/libOpenScriptingUtil.dylib
0x7fff6f450000 - 0x7fff6f451ffb libSystem.B.dylib (1252.50.4) /usr/lib/libSystem.B.dylib
0x7fff6f4e4000 - 0x7fff6f4e4fff libapple_crypto.dylib (109.50.14) <48BA2E76-BF2F-3522-A54E-D7FB7EAF7A57> /usr/lib/libapple_crypto.dylib
0x7fff6f4e5000 - 0x7fff6f4fbff7 libapple_nghttp2.dylib (1.24) <01402BC4-4822-3676-9C80-50D83F816424> /usr/lib/libapple_nghttp2.dylib
0x7fff6f4fc000 - 0x7fff6f526ff3 libarchive.2.dylib (54) <8FC28DD8-E315-3C3E-95FE-D1D2CBE49888> /usr/lib/libarchive.2.dylib
0x7fff6f5ac000 - 0x7fff6f5acff3 libauto.dylib (187) /usr/lib/libauto.dylib
0x7fff6f5ad000 - 0x7fff6f665ff3 libboringssl.dylib (109.50.14) /usr/lib/libboringssl.dylib
0x7fff6f666000 - 0x7fff6f676ff3 libbsm.0.dylib (39) <6BC96A72-AFBE-34FD-91B1-748A530D8AE6> /usr/lib/libbsm.0.dylib
0x7fff6f677000 - 0x7fff6f684ffb libbz2.1.0.dylib (38) <0A5086BB-4724-3C14-979D-5AD4F26B5B45> /usr/lib/libbz2.1.0.dylib
0x7fff6f685000 - 0x7fff6f6dbfff libc++.1.dylib (400.9) <7D3DACCC-3804-393C-ABC1-1A580FD00CB6> /usr/lib/libc++.1.dylib
0x7fff6f6dc000 - 0x7fff6f700ff7 libc++abi.dylib (400.8.2) /usr/lib/libc++abi.dylib
0x7fff6f702000 - 0x7fff6f712fff libcmph.dylib (6) <890DEC4C-4334-393C-8B56-7C8560BBED9D> /usr/lib/libcmph.dylib
0x7fff6f713000 - 0x7fff6f72afcf libcompression.dylib (47.60.2) <543F07BF-2F2F-37D5-9866-E84BF659885B> /usr/lib/libcompression.dylib
0x7fff6f9d5000 - 0x7fff6f9edff7 libcoretls.dylib (155.50.1) /usr/lib/libcoretls.dylib
0x7fff6f9ee000 - 0x7fff6f9efff3 libcoretls_cfhelpers.dylib (155.50.1) /usr/lib/libcoretls_cfhelpers.dylib
0x7fff6fec0000 - 0x7fff6ff16ff3 libcups.2.dylib (462.2.5) /usr/lib/libcups.2.dylib
0x7fff70056000 - 0x7fff70056fff libenergytrace.dylib (16) /usr/lib/libenergytrace.dylib
0x7fff7008d000 - 0x7fff70092ff3 libheimdal-asn1.dylib (520.50.7) /usr/lib/libheimdal-asn1.dylib
0x7fff700be000 - 0x7fff701afff7 libiconv.2.dylib (51.50.1) <2FEC9707-3FAF-3828-A50D-8605086D060F> /usr/lib/libiconv.2.dylib
0x7fff701b0000 - 0x7fff703d7ffb libicucore.A.dylib (59181.0.1) <2CE6205F-D375-3BF5-AA0A-3254BC4773D0> /usr/lib/libicucore.A.dylib
0x7fff70424000 - 0x7fff70425fff liblangid.dylib (128) <39C39393-0D05-301D-93B2-F224FC4949AA> /usr/lib/liblangid.dylib
0x7fff70426000 - 0x7fff7043fffb liblzma.5.dylib (10) <3D419A50-961F-37D2-8A01-3DC7AB7B8D18> /usr/lib/liblzma.5.dylib
0x7fff70440000 - 0x7fff70456ff7 libmarisa.dylib (9) /usr/lib/libmarisa.dylib
0x7fff70507000 - 0x7fff7072fff7 libmecabra.dylib (779.7.6) /usr/lib/libmecabra.dylib
0x7fff70907000 - 0x7fff70a82fff libnetwork.dylib (1229.70.2) /usr/lib/libnetwork.dylib
0x7fff70b09000 - 0x7fff70ef77e7 libobjc.A.dylib (723) /usr/lib/libobjc.A.dylib
0x7fff70f0a000 - 0x7fff70f0efff libpam.2.dylib (22) <7B4D2CE2-1438-387A-9802-5CEEFBF26F86> /usr/lib/libpam.2.dylib
0x7fff70f11000 - 0x7fff70f45fff libpcap.A.dylib (79.20.1) /usr/lib/libpcap.A.dylib
0x7fff70fc4000 - 0x7fff70fe0ffb libresolv.9.dylib (65) /usr/lib/libresolv.9.dylib
0x7fff71031000 - 0x7fff711c4ff7 libsqlite3.dylib (274.8.1) /usr/lib/libsqlite3.dylib
0x7fff71398000 - 0x7fff713f8ff3 libusrtcp.dylib (1229.70.2) <1E065228-D0E3-3808-9405-894056C6BEC0> /usr/lib/libusrtcp.dylib
0x7fff713f9000 - 0x7fff713fcffb libutil.dylib (51.20.1) <216D18E5-0BAF-3EAF-A38E-F6AC37CBABD9> /usr/lib/libutil.dylib
0x7fff713fd000 - 0x7fff7140afff libxar.1.dylib (400) <0316128D-3B47-3052-995D-97B4FE5491DC> /usr/lib/libxar.1.dylib
0x7fff7140e000 - 0x7fff714f5fff libxml2.2.dylib (31.13) <8C12B82A-66FD-330C-9BEA-AAC090C7076A> /usr/lib/libxml2.2.dylib
0x7fff714f6000 - 0x7fff7151efff libxslt.1.dylib (15.12) <4A5E011D-8B29-3135-A52B-9A9070ABD752> /usr/lib/libxslt.1.dylib
0x7fff7151f000 - 0x7fff71531ffb libz.1.dylib (70) <48C67CFC-940D-3857-8DAD-857774605352> /usr/lib/libz.1.dylib
0x7fff715cd000 - 0x7fff715d1ff7 libcache.dylib (80) <092479CB-1008-3A83-BECF-E115F24D13C1> /usr/lib/system/libcache.dylib
0x7fff715d2000 - 0x7fff715dcff3 libcommonCrypto.dylib (60118.50.1) <029F5985-9B6E-3DCB-9B96-FD007678C6A7> /usr/lib/system/libcommonCrypto.dylib
0x7fff715dd000 - 0x7fff715e4fff libcompiler_rt.dylib (62) <968B8E3F-3681-3230-9D78-BB8732024F6E> /usr/lib/system/libcompiler_rt.dylib
0x7fff715e5000 - 0x7fff715eeffb libcopyfile.dylib (146.50.5) <3885083D-50D8-3EEC-B481-B2E605180D7F> /usr/lib/system/libcopyfile.dylib
0x7fff715ef000 - 0x7fff71674ffb libcorecrypto.dylib (562.70.2) <495BACA2-67D7-369D-ABB1-FE67FAF63A6A> /usr/lib/system/libcorecrypto.dylib
0x7fff716fc000 - 0x7fff71735ff7 libdispatch.dylib (913.60.3) /usr/lib/system/libdispatch.dylib
0x7fff71736000 - 0x7fff71753ff7 libdyld.dylib (551.5) <49BF9E96-8297-30CF-8AA6-128CC14054B2> /usr/lib/system/libdyld.dylib
0x7fff71754000 - 0x7fff71754ffb libkeymgr.dylib (28) /usr/lib/system/libkeymgr.dylib
0x7fff71755000 - 0x7fff71761ff3 libkxld.dylib (4570.71.22) /usr/lib/system/libkxld.dylib
0x7fff71762000 - 0x7fff71762ff7 liblaunch.dylib (1205.70.10) /usr/lib/system/liblaunch.dylib
0x7fff71763000 - 0x7fff71767ffb libmacho.dylib (906) <1902A611-081A-3452-B11E-EBD1B166E831> /usr/lib/system/libmacho.dylib
0x7fff71768000 - 0x7fff7176aff3 libquarantine.dylib (86) <26C0BA22-8F93-3A07-9A4E-C8D53D2CE42E> /usr/lib/system/libquarantine.dylib
0x7fff7176b000 - 0x7fff7176cff3 libremovefile.dylib (45) <711E18B2-5BBE-3211-A916-56740C27D17A> /usr/lib/system/libremovefile.dylib
0x7fff7176d000 - 0x7fff71784fff libsystem_asl.dylib (356.70.1) <39E46A6F-B228-3E78-B83E-1779F9707A39> /usr/lib/system/libsystem_asl.dylib
0x7fff71785000 - 0x7fff71785fff libsystem_blocks.dylib (67) <17303FDF-0D2D-3963-B05E-B4DF63052D47> /usr/lib/system/libsystem_blocks.dylib
0x7fff71786000 - 0x7fff7180fff7 libsystem_c.dylib (1244.50.9) <1187BFE8-4576-3247-8177-481554E1F9E7> /usr/lib/system/libsystem_c.dylib
0x7fff71810000 - 0x7fff71813ffb libsystem_configuration.dylib (963.50.8) /usr/lib/system/libsystem_configuration.dylib
0x7fff71814000 - 0x7fff71817ffb libsystem_coreservices.dylib (51) <486000D3-D8CB-3BE7-8EE5-8BF380DE6DF7> /usr/lib/system/libsystem_coreservices.dylib
0x7fff71818000 - 0x7fff71819fff libsystem_darwin.dylib (1244.50.9) <09C21A4A-9EE0-388B-A9D9-DFF8F6758791> /usr/lib/system/libsystem_darwin.dylib
0x7fff7181a000 - 0x7fff71820ff7 libsystem_dnssd.dylib (878.70.3) <7C4C39D5-3642-3049-B309-7ACF2F3CE0DA> /usr/lib/system/libsystem_dnssd.dylib
0x7fff71821000 - 0x7fff7186aff7 libsystem_info.dylib (517.30.1) /usr/lib/system/libsystem_info.dylib
0x7fff7186b000 - 0x7fff71891ff7 libsystem_kernel.dylib (4570.71.22) <6BFAF4C2-FF7B-301C-8D1C-3ED5E090B0CE> /usr/lib/system/libsystem_kernel.dylib
0x7fff71892000 - 0x7fff718ddfcb libsystem_m.dylib (3147.50.1) <17570F46-566C-39FC-BEF6-635A355DD549> /usr/lib/system/libsystem_m.dylib
0x7fff718de000 - 0x7fff718fdfff libsystem_malloc.dylib (140.50.6) <7FD43735-9DDD-300E-8C4A-F909A74BDF49> /usr/lib/system/libsystem_malloc.dylib
0x7fff718fe000 - 0x7fff71a2eff7 libsystem_network.dylib (1229.70.2) <5E86B2DE-9E15-3354-8714-4094ED5F698D> /usr/lib/system/libsystem_network.dylib
0x7fff71a2f000 - 0x7fff71a39ffb libsystem_networkextension.dylib (767.70.2) <9DC03712-552D-3AEE-9519-B5ED70980B70> /usr/lib/system/libsystem_networkextension.dylib
0x7fff71a3a000 - 0x7fff71a43ff3 libsystem_notify.dylib (172) <08012EC0-2CD2-34BE-BF93-E7F56491299A> /usr/lib/system/libsystem_notify.dylib
0x7fff71a44000 - 0x7fff71a4bff7 libsystem_platform.dylib (161.50.1) <6355EE2D-5456-3CA8-A227-B96E8F1E2AF8> /usr/lib/system/libsystem_platform.dylib
0x7fff71a4c000 - 0x7fff71a57fff libsystem_pthread.dylib (301.50.1) <0E51CCBA-91F2-34E1-BF2A-FEEFD3D321E4> /usr/lib/system/libsystem_pthread.dylib
0x7fff71a58000 - 0x7fff71a5bfff libsystem_sandbox.dylib (765.70.1) <553DFCC6-9D31-3B9C-AB7C-30F6F265786D> /usr/lib/system/libsystem_sandbox.dylib
0x7fff71a5c000 - 0x7fff71a5dff3 libsystem_secinit.dylib (30) /usr/lib/system/libsystem_secinit.dylib
0x7fff71a5e000 - 0x7fff71a65ff7 libsystem_symptoms.dylib (820.60.3) <441C6CA0-5711-3BB1-8420-DDAC3D5272E1> /usr/lib/system/libsystem_symptoms.dylib
0x7fff71a66000 - 0x7fff71a79fff libsystem_trace.dylib (829.70.1) <3A6CB706-8CA6-3616-8AFC-14AAD7FAF187> /usr/lib/system/libsystem_trace.dylib
0x7fff71a7b000 - 0x7fff71a80ff7 libunwind.dylib (35.3) /usr/lib/system/libunwind.dylib
0x7fff71a81000 - 0x7fff71aaeff7 libxpc.dylib (1205.70.10) <903AB944-964B-3E73-89AE-A55F5424BD9A> /usr/lib/system/libxpc.dylib

External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 58294
thread_create: 0
thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=296.6M resident=0K(0%) swapped_out_or_unallocated=296.6M(100%)
Writable regions: Total=48.6M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=48.6M(100%)

VIRTUAL REGION
REGION TYPE SIZE COUNT (non-coalesced)
=========== ======= =======
Kernel Alloc Once 8K 2
MALLOC 36.1M 12
MALLOC guard page 32K 9
STACK GUARD 12K 4
Stack 9752K 5
Stack Guard 56.0M 2
VM_ALLOCATE 2616K 3
__DATA 14.3M 183
__FONT_DATA 4K 2
__LINKEDIT 193.2M 9
__TEXT 103.4M 185
__UNICODE 560K 2
shared memory 8K 3
=========== ======= =======
TOTAL 415.7M 408

Model: MacBook10,1, BootROM 168.0.0.0.0, 2 processors, Intel Core i7, 1.4 GHz, 16 GB, SMC 2.42f10
Graphics: Intel HD Graphics 615, Intel HD Graphics 615, Built-In
Memory Module: BANK 0/DIMM0, 8 GB, LPDDR3, 1867 MHz, 0x802C, 0x4D5435324C31473634443851432D31303720
Memory Module: BANK 1/DIMM0, 8 GB, LPDDR3, 1867 MHz, 0x802C, 0x4D5435324C31473634443851432D31303720
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x168), Broadcom BCM43xx 1.0 (7.77.37.31.1a9)
Bluetooth: Version 6.0.7f12, 3 services, 27 devices, 1 incoming serial ports
Network Service: USB 10/100/1000 LAN, Ethernet, en2
Network Service: Wi-Fi, AirPort, en0
USB Device: USB 3.0 Bus
USB Device: USB3.0 Hub
USB Device: Mass Storage Device
USB Device: 4-Port USB 3.0 Hub
USB Device: USB 10/100/1000 LAN
USB Device: USB2.0 Hub
USB Device: 4-Port USB 2.0 Hub
USB Device: USB Keyboard
Thunderbolt Bus:
```

Start by reproducing `openfl test ios -simulator -v -clean` on Mac OS X 10.13.6 and compare the failure with the supplied crash log, focusing on `/usr/local/bin/neko`, `libneko.2.dylib`, and the garbage-collector threads shown there. Done means the command completes without Neko quitting unexpectedly, with the cause and verification documented.

Written by the indexing model from the issue text.