/* PR middle-end/20491 *//* { dg-do compile } *//* Combine used to introduce invalid subregs for the asm input, and   we'd crash later on, when removing all subregs.  */volatile unsigned short _const_32 [4] = {1,2,3,4};voidevas_common_convert_yuv_420p_601_rgba(){  __asm__ __volatile__ ("" : : "X" (*_const_32));}