Bug 35906 - Assembly.ExportedTypes triggers fatal error from mono_class_from_mono_type
Summary: Assembly.ExportedTypes triggers fatal error from mono_class_from_mono_type
Alias: None
Product: Runtime
Classification: Mono
Component: Reflection ()
Version: 4.2.0 (C6)
Hardware: PC Linux
: --- normal
Target Milestone: ---
Assignee: Aleksey Kliger
Depends on:
Reported: 2015-11-16 16:16 UTC by Nate McMaster
Modified: 2015-11-30 23:38 UTC (History)
4 users (show)

Is this bug a regression?: ---
Last known good build:

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Description Nate McMaster 2015-11-16 16:16:16 UTC
Calling Assembly.ExportedTypes throws

mono_class_from_mono_type: implement me 0x00

* Assertion: should not be reached at class.c:6523


  at <unknown> <0xffffffff>
  at (wrapper managed-to-native) System.Reflection.Assembly.GetTypes (System.Reflection.Assembly,bool) <0xffffffff>
  at System.Reflection.Assembly.GetExportedTypes () <0x00019>
  at System.Reflection.Assembly.get_ExportedTypes () <0x00013>
  at Xunit.Sdk.ReflectionAssemblyInfo.GetTypes (bool) <0x00035>

Native stacktrace:

	mono() [0x49cf0c]
	/lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fc9f12e0340]
	/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x39) [0x7fc9f0f41cc9]
	/lib/x86_64-linux-gnu/libc.so.6(abort+0x148) [0x7fc9f0f450d8]
	mono() [0x62a329]
	mono() [0x62a537]
	mono() [0x62a686]
	mono(mono_class_from_mono_type+0x37) [0x517ba7]
	mono(mono_type_get_object+0x16) [0x5ba6a6]
	mono() [0x532278]
	mono() [0x5336d8]

On Ubuntu 14
Mono JIT compiler version 4.2.1 (Stable Thu Nov 12 09:52:44 UTC 2015)
Comment 1 Rodrigo Kumpera 2015-11-19 14:15:49 UTC
Hey Nate,

Could you provide us with a test case?
Comment 2 Nate McMaster 2015-11-30 23:38:36 UTC
It was a weird bug in Xunit's discovery. I can't reproduce anymore.