Big improvement to the -threaded-checker code, unifying the logic and simplify behaviour

src/check_expr.cpp

@@ -443,7 +443,7 @@ bool find_or_generate_polymorphic_procedure(CheckerContext *c, Entity *base_enti
 	}
 
 	// NOTE(bill): Check the newly generated procedure body
-	check_procedure_later(nctx.checker, proc_info);
+	check_procedure_later(&nctx, proc_info);
 
 	return true;
 }
@@ -6497,7 +6497,7 @@ ExprKind check_expr_base_internal(CheckerContext *c, Operand *o, Ast *node, Type
 			}
 
 			pl->decl = decl;
-			check_procedure_later(ctx.checker, ctx.file, empty_token, decl, type, pl->body, pl->tags);
+			check_procedure_later(&ctx, ctx.file, empty_token, decl, type, pl->body, pl->tags);
 		}
 		check_close_scope(&ctx);