// PR c++/50930 // { dg-do compile { target c++11 } } struct nmc { nmc() = default; nmc(nmc&&) = delete; // line 3 }; struct A { // line 6 nmc n{}; nmc n2 = {}; } a; // line 8 // ------ struct lock_t { int lock[4]; }; struct pthread_mutex_t { volatile lock_t __spinlock; }; struct mutex { pthread_mutex_t m = { }; mutex() = default; }; int main() { mutex mx; }