| // RUN: %empty-directory(%t) | |
| // RUN: %target-build-swift %S/Inputs/vtable_symbol_linkage_base.swift -emit-module -emit-module-path=%t/BaseModule.swiftmodule -emit-library -module-name BaseModule -o %t/BaseModule.%target-dylib-extension | |
| // RUN: %target-build-swift -I %t %s %t/BaseModule.%target-dylib-extension -o %t/a.out | |
| // Check if the program can be linked without undefined symbol errors. | |
| import BaseModule | |
| public class Derived : Base { | |
| } | |