// #target: macos-aarch64 module base; module test{MyType}; import base; interface Zzz { fn void zzz(MyType t); } struct TestStruct (Zzz) { String data; } fn void TestStruct.zzz(&self, MyType t) @dynamic { } module app; import test; fn int main() { TestStruct{int} ts; return 0; } /* #expect: app.ll define i32 @main() #0 { entry: %ts = alloca %TestStruct, align 8 call void @llvm.memset.p0.i64(ptr align 8 %ts, i8 0, i64 16, i1 false) ret i32 0 }