bug fix #2303

TestSuite/implicitexplicit5.pas

@@ -0,0 +1,14 @@
+type
+  t1 = class
+    i: object;
+    constructor(i: object);
+    begin
+      self.i := i;
+    end;
+    static function operator implicit<T>(val: T): t1 := new t1(val);
+  end;
+  
+begin
+  var a: t1 := 5;
+  assert(integer(a.i) = 5);
+end.

TreeConverter/TreeConversion/syntax_tree_visitor.cs

@@ -14882,6 +14882,7 @@ namespace PascalABCCompiler.TreeConverter
                         	if (expr is common_constructor_call_as_constant)
                         		return expr as common_constructor_call_as_constant;
                         	convertion_data_and_alghoritms.check_convert_type(expr,tn,expr.location);
+                            return constant;
                         	//AddError(new CanNotConvertTypes(expr,expr.type,tn,expr.location));
                         	//throw new NotSupportedError(loc);
                         }

TreeConverter/TreeRealization/types.cs

@@ -2327,6 +2327,10 @@ namespace PascalABCCompiler.TreeRealization
                             {
                                 fn = fn.get_instance(ctn.instance_params, true, null);
                             }
+                            else if (fn.get_generic_params_list() != null && fn.get_generic_params_list().Count > 0)
+                            {
+                                fn = fn.get_instance(new List<type_node>(new type_node[] { ctn }), true, null);
+                            }
                         }
                         return fn;
                     }
@@ -2358,6 +2362,10 @@ namespace PascalABCCompiler.TreeRealization
                             {
                                 fn = fn.get_instance(ctn.instance_params, true, null);
                             }
+                            else if (fn.get_generic_params_list() != null && fn.get_generic_params_list().Count > 0)
+                            {
+                                fn = fn.get_instance(new List<type_node>(new type_node[] { ctn }), true, null);
+                            }
                         }
                         return fn;
                     }