gcc/testsuite/g++.dg/ext/vector18.C

/* { dg-do compile } */
/* { dg-options "-std=c++11" } */

typedef signed char __attribute__((vector_size(128) )) vec;

template <class A, class B>
auto f (A *a, B b) -> decltype (*a + b);

void f (...) {}

void g (vec *v, long long l)
{
  f (v, l);
}