[Bug target/112306] [AArch64][neon] incorrect combine the (a -1)* b into fnmsub for fixed vector type

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112306

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
You get:
<source>:4:1: warning: 'neon_vector_type' attribute directive ignored
[-Wattributes]