Fixed the generated C# when a template returns a specialisation with itself as a type arg.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

src/Generator/AST/Utils.cs

@@ -108,7 +108,7 @@ namespace CppSharp.AST
 
             if (specialization.Arguments.Select(
                 a => a.Type.Type).Any(t => t != null &&
-                    !CheckTypeForSpecialization(t, container, addSpecialization,
+                    !CheckTypeForSpecialization(t, specialization, addSpecialization,
                         typeMaps, internalOnly)))
                 return false;
 

tests/CSharp/CSharpTemplates.h

@@ -514,8 +514,15 @@ TemplateDerivedFromRegularDynamic<T>::~TemplateDerivedFromRegularDynamic()
 template <typename T>
 class OnlySpecialisedInTypeArg
 {
+public:
+    DependentValueFields<OnlySpecialisedInTypeArg<T>> returnSelfSpecialization();
 };
 
+template <typename T>
+DependentValueFields<OnlySpecialisedInTypeArg<T>> OnlySpecialisedInTypeArg<T>::returnSelfSpecialization()
+{
+}
+
 // we optimise specialisations so that only actually used ones are wrapped
 void forceUseSpecializations(IndependentFields<int> _1, IndependentFields<bool> _2,
                              IndependentFields<T1> _3, IndependentFields<std::string> _4,