https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69582 Bug 69582 depends on bug 68997, which changed state.
Bug 68997 Summary: [cilkplus] cilk_spawn is broken for functions that return a type with a custom copy or move constructor https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68997 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED