gistfile1.txt

$ cat x.cc
#include<type_traits>
#include<utility>
using namespace std;
struct T {
    T() = default;
    T(const T&) {}
};
static_assert(is_move_constructible<T>(), "");
T a;
T b(move(a)); // nope, no compiler error here
int main() {return 0;}

$ for gxx in /usr/local/gcc-[67]*/bin/g++; do $gxx -v |& grep version; $gxx -std=c++11 -Wall -Wextra x.cc -o x; ./x; done
gcc version 6.1.0 (GCC)
gcc version 7.1.0 (GCC)
gcc version 7.2.0 (GCC)