[iOS] BigInteger CompareTo crash in CborDocument_Roundtrip test

[steveisok]

During the System.Formats.Cbor test run, CborDocument_Roundtrip crashes when comparing two BigInteger types.

[22:22:52.0766040] =================================================================
[22:22:52.0766090] 	Managed Stacktrace:
[22:22:52.0766150] =================================================================
[22:22:52.0766210] 	  at System.Numerics.BigInteger:CompareTo <0x00050>
[22:22:52.0766260] 	  at System.Numerics.BigInteger:CompareTo <0x00073>
[22:22:52.0766320] 	  at Xunit.Sdk.AssertEqualityComparer`1:Equals <0x00217>
[22:22:52.0766420] 	  at Xunit.Sdk.AssertEqualityComparer`1:Equals <0x00047>
[22:22:52.0766480] 	  at Xunit.Sdk.AssertEqualityComparerAdapter`1:Equals <0x000af>
[22:22:52.0766540] 	  at Xunit.Sdk.AssertEqualityComparer`1:CheckIfEnumerablesAreEqual <0x00207>
[22:22:52.0766640] 	  at Xunit.Sdk.AssertEqualityComparer`1:Equals <0x00323>
[22:22:52.0766690] 	  at Xunit.Assert:Equal <0x0012f>
[22:22:52.0766750] 	  at Xunit.Assert:Equal <0x00077>
[22:22:52.0766810] 	  at System.Formats.Cbor.Tests.CborPropertyTests:CborDocument_Roundtrip <0x00063>

The test will be skipped for now.

I couldn't figure out the best area label to add to this issue. If you have write-permissions please help me learn by adding exactly one area label.

Tagging subscribers to 'os-ios': @steveisok, @akoeplinger
See info in area-owners.md if you want to be subscribed.

Issue Details

---

During the System.Formats.Cbor test run, CborDocument_Roundtrip crashes when comparing two BigInteger types.

[22:22:52.0766040] =================================================================
[22:22:52.0766090] 	Managed Stacktrace:
[22:22:52.0766150] =================================================================
[22:22:52.0766210] 	  at System.Numerics.BigInteger:CompareTo <0x00050>
[22:22:52.0766260] 	  at System.Numerics.BigInteger:CompareTo <0x00073>
[22:22:52.0766320] 	  at Xunit.Sdk.AssertEqualityComparer`1:Equals <0x00217>
[22:22:52.0766420] 	  at Xunit.Sdk.AssertEqualityComparer`1:Equals <0x00047>
[22:22:52.0766480] 	  at Xunit.Sdk.AssertEqualityComparerAdapter`1:Equals <0x000af>
[22:22:52.0766540] 	  at Xunit.Sdk.AssertEqualityComparer`1:CheckIfEnumerablesAreEqual <0x00207>
[22:22:52.0766640] 	  at Xunit.Sdk.AssertEqualityComparer`1:Equals <0x00323>
[22:22:52.0766690] 	  at Xunit.Assert:Equal <0x0012f>
[22:22:52.0766750] 	  at Xunit.Assert:Equal <0x00077>
[22:22:52.0766810] 	  at System.Formats.Cbor.Tests.CborPropertyTests:CborDocument_Roundtrip <0x00063>

Author:	steveisok
Assignees:	-
Labels:	untriaged, os-ios
Milestone:	-

Tagging subscribers to this area: @dotnet/area-system-formats-cbor, @vcsjones
See info in area-owners.md if you want to be subscribed.

Issue Details

---

During the System.Formats.Cbor test run, CborDocument_Roundtrip crashes when comparing two BigInteger types.

[22:22:52.0766040] =================================================================
[22:22:52.0766090] 	Managed Stacktrace:
[22:22:52.0766150] =================================================================
[22:22:52.0766210] 	  at System.Numerics.BigInteger:CompareTo <0x00050>
[22:22:52.0766260] 	  at System.Numerics.BigInteger:CompareTo <0x00073>
[22:22:52.0766320] 	  at Xunit.Sdk.AssertEqualityComparer`1:Equals <0x00217>
[22:22:52.0766420] 	  at Xunit.Sdk.AssertEqualityComparer`1:Equals <0x00047>
[22:22:52.0766480] 	  at Xunit.Sdk.AssertEqualityComparerAdapter`1:Equals <0x000af>
[22:22:52.0766540] 	  at Xunit.Sdk.AssertEqualityComparer`1:CheckIfEnumerablesAreEqual <0x00207>
[22:22:52.0766640] 	  at Xunit.Sdk.AssertEqualityComparer`1:Equals <0x00323>
[22:22:52.0766690] 	  at Xunit.Assert:Equal <0x0012f>
[22:22:52.0766750] 	  at Xunit.Assert:Equal <0x00077>
[22:22:52.0766810] 	  at System.Formats.Cbor.Tests.CborPropertyTests:CborDocument_Roundtrip <0x00063>

The test will be skipped for now.

Author:	steveisok
Assignees:	-
Labels:	os-ios, area-System.Formats.Cbor
Milestone:	8.0.0

[bartonjs]

While this is potentially affecting a disabled test for CBOR, the real issue seems to be a crash in BigInteger, so transferring to numerics.

Tagging subscribers to this area: @dotnet/area-system-numerics
See info in area-owners.md if you want to be subscribed.

Issue Details

---

During the System.Formats.Cbor test run, CborDocument_Roundtrip crashes when comparing two BigInteger types.

[22:22:52.0766040] =================================================================
[22:22:52.0766090] 	Managed Stacktrace:
[22:22:52.0766150] =================================================================
[22:22:52.0766210] 	  at System.Numerics.BigInteger:CompareTo <0x00050>
[22:22:52.0766260] 	  at System.Numerics.BigInteger:CompareTo <0x00073>
[22:22:52.0766320] 	  at Xunit.Sdk.AssertEqualityComparer`1:Equals <0x00217>
[22:22:52.0766420] 	  at Xunit.Sdk.AssertEqualityComparer`1:Equals <0x00047>
[22:22:52.0766480] 	  at Xunit.Sdk.AssertEqualityComparerAdapter`1:Equals <0x000af>
[22:22:52.0766540] 	  at Xunit.Sdk.AssertEqualityComparer`1:CheckIfEnumerablesAreEqual <0x00207>
[22:22:52.0766640] 	  at Xunit.Sdk.AssertEqualityComparer`1:Equals <0x00323>
[22:22:52.0766690] 	  at Xunit.Assert:Equal <0x0012f>
[22:22:52.0766750] 	  at Xunit.Assert:Equal <0x00077>
[22:22:52.0766810] 	  at System.Formats.Cbor.Tests.CborPropertyTests:CborDocument_Roundtrip <0x00063>

The test will be skipped for now.

Author:	steveisok
Assignees:	-
Labels:	area-System.Numerics, os-ios
Milestone:	8.0.0