discovered here: #26165 (comment)
See https://github.com/dotnet/roslyn/blob/master/src/Features/Core/Portable/Common/Glyph.cs
Local functions are currently treated as private methods. They should have their own definition which should probably also be exposed in the IDE with a new icon.
I suppose it could either be a completely new icon as some sort of mix between the icon for a local and a method, or just have a different "subicon" instead of the lock which repesents private: 
discovered here: #26165 (comment)
See https://github.com/dotnet/roslyn/blob/master/src/Features/Core/Portable/Common/Glyph.cs
Local functions are currently treated as private methods. They should have their own definition which should probably also be exposed in the IDE with a new icon.
I suppose it could either be a completely new icon as some sort of mix between the icon for a local and a method, or just have a different "subicon" instead of the lock which repesents private: