Referencing member of class passed as ref/out parameter throws exception

[adrianoc]

Error

System.ArgumentException: Literal type None not supported. (Parameter 'type')
at Cecilifier.Core.AST.SyntaxWalkerBase.LoadIndirectOpCodeFor(SpecialType type) in /home/adriano/Development/Adriano/study/DotNet/Cecilifier/Cecilifier.Core/AST/SyntaxWalkerBase.cs:line 489
at Cecilifier.Core.AST.SyntaxWalkerBase.HandlePotentialRefLoad(String ilVar, SyntaxNode expression, ITypeSymbol type) in /home/adriano/Development/Adriano/study/DotNet/Cecilifier/Cecilifier.Core/AST/SyntaxWalkerBase.cs:line 428
at Cecilifier.Core.AST.SyntaxWalkerBase.ProcessParameter(String ilVar, SimpleNameSyntax node, IParameterSymbol paramSymbol) in /home/adriano/Development/Adriano/study/DotNet/Cecilifier/Cecilifier.Core/AST/SyntaxWalkerBase.cs:line 333
...
at Cecilifier.Core.Cecilifier.Run(Stream content, CecilifierOptions options) in /home/adriano/Development/Adriano/study/DotNet/Cecilifier/Cecilifier.Core/Cecilifier.cs:line 51
at Cecilifier.Web.Startup.g__CecilifyCodeAsync|6_2(WebSocket webSocket) in /home/adriano/Development/Adriano/study/DotNet/Cecilifier/Cecilifier.Web/Startup.cs:line 137

Associated snippet:

using System;

class Foo
{
	int value;

	void Bar(ref Foo foo)  => foo.value = 42;
}