// test for duplicate symbols in druntime and uuid.lib module test; version(CRuntime_Microsoft) {} else static assert(false, "Windows/COFF only"); import core.sys.windows.basetyps; import core.sys.windows.uuid; extern extern(C) IID IID_IDelayedPropertyStoreFactory; // from uuid.lib void main() { assert(IID_IDirect3DNullDevice != IID_IDelayedPropertyStoreFactory); }