https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123092
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
// t_lookup.c:1667:1: error: insn does not satisfy its constraints:
// 1667 | }
// | ^
// (insn 322 326 323 21 (prefetch (plus:DI (mem/f:DI (plus:DI (reg/f:DI 9 s1
[orig:1233 p_msg ] [1233])
// (const_int 504 [0x1f8])) [2 p_msg_509(D)->unparsed+0 S8
A64])
// (const_int 64 [0x40]))
// (const_int 0 [0])
// (const_int 1 [0x1])) "t_lookup.c":1587:4 487 {prefetch}
// (nil))
