https://issues.dlang.org/show_bug.cgi?id=21416
Richard Cattermole <alphaglosi...@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |alphaglosi...@gmail.com --- Comment #1 from Richard Cattermole <alphaglosi...@gmail.com> --- Minified further: extern(C) void main() {} extern(C++) interface IEntry { } extern(C++) class MyEntryInfo : IEntry { } This is known to work for ldc 1.26.0. The __ClassZ error was introduced between dmd 2.094.0 and 2.097.2. --