GH1091: Fix issue where array types appearing in aliased methods ar…

[kcamp]

This should resolve #1091 and provide sufficient test coverage for the same.
I have run the build script by which I uncovered this issue in both roslyn/mono mode, it succeeds in both cases.

[dnfclas]

Hi @kcamp, I'm your friendly neighborhood .NET Foundation Pull Request Bot (You can call me DNFBOT). Thanks for your contribution!

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[devlead]

@kcamp LGTM 👍 in order to do final review and merge of this we need you to sign .NET Foundation CLA, you can do that at https://cla2.dotnetfoundation.org

[kcamp]

@devlead -- working on that now. have a question in with my employer how it is to be handled. will sign tonight/tomorrow. thanks.

[devlead]

@kcamp superb 👍 , just ping us when done and we'll do a final review before merging.

[dnfclas]

@kcamp, Thanks for signing the contribution license agreement so quickly! Actual humans will now validate the agreement and then evaluate the PR.

Thanks, DNFBOT;

[kcamp]

@devlead cla signed

[devlead]

@kcamp LGTM 👍 your changes have now been merged, thanks for your contribution!