2 // { dg-do compile { target c++11 } }
3 // { dg-options "-Wzero-as-null-pointer-constant" }
7 shared_ptr(decltype(nullptr));
12 shared_ptr a = 0; // { dg-warning "zero as null pointer" }
13 shared_ptr b(0); // { dg-warning "zero as null pointer" }
14 shared_ptr c{0}; // { dg-warning "zero as null pointer" }