AssemblyNameParser has duplicated ProcessorArchitecture.MSIL checks

[colejohnson66]

AssemblyNameParser.TryParseProcessorArchitecture has a duplicated branch for MSIL:

runtime/src/libraries/Common/src/System/Reflection/AssemblyNameParser.cs

Lines 327 to 340 in 9767019

	private static bool TryParseProcessorArchitecture(string attributeValue, out ProcessorArchitecture result)
	{
	result = attributeValue switch
	{
	_ when attributeValue.Equals("msil", StringComparison.OrdinalIgnoreCase) => ProcessorArchitecture.MSIL,
	_ when attributeValue.Equals("x86", StringComparison.OrdinalIgnoreCase) => ProcessorArchitecture.X86,
	_ when attributeValue.Equals("ia64", StringComparison.OrdinalIgnoreCase) => ProcessorArchitecture.IA64,
	_ when attributeValue.Equals("amd64", StringComparison.OrdinalIgnoreCase) => ProcessorArchitecture.Amd64,
	_ when attributeValue.Equals("arm", StringComparison.OrdinalIgnoreCase) => ProcessorArchitecture.Arm,
	_ when attributeValue.Equals("msil", StringComparison.OrdinalIgnoreCase) => ProcessorArchitecture.MSIL,
	_ => ProcessorArchitecture.None
	};
	return result != ProcessorArchitecture.None;
	}

Line 336 is already covered by line 331.

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[jkotas]

Thank you for the report!