gcc/testsuite/c-c++-common/vector-subscript-2.c

   1 /* { dg-do compile } */
   2
   3 /* Check that subscripting of vectors work with register storage class decls.  */
   4
   5 #define vector __attribute__((vector_size(16) ))
   6
   7
   8 float vf(int i)
   9 {
  10   register vector float a;      // { dg-warning "ISO C\\+\\+17 does not allow 'register' storage class specifier" "" { target c++17 } }
  11   return a[0];
  12 }