/* { dg-do compile } *//* { dg-options "-std=gnu89" } *//* A combine of two extensions to C89 are used here.   First casts to unions is used.   Second subscripting non lvalue arrays, this is in C99. */union vx {short f[8]; int v;};int vec;voidfoo5 (int vec){  ((union vx) vec).f[5] = 1;}