TypeChecker

- Fixed the `Function` `Container` resolution for the `ReturnStmt` to now find the nearest `parent` in its parenthood tree which is a `Function`, extract the `Function`'s name and then use that where needed

source/tlang/compiler/typecheck/core.d

@@ -1674,7 +1674,8 @@ public final class TypeChecker
             else if(cast(ReturnStmt)statement)
             {
                 ReturnStmt returnStatement = cast(ReturnStmt)statement;
-                Function funcContainer = cast(Function)statement.parentOf();
+                Function funcContainer = cast(Function)resolver.findContainerOfType(Function.classinfo, returnStatement);
+                assert(funcContainer);
                 string functionName = resolver.generateName(funcContainer.parentOf(), funcContainer);
 
                 /* Generated return instruction */