[Bug target/66959] Bad code generated for union type punning of NEON intrinsic types on ARM64

[dpb at corrigendum dot ru]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66959

--- Comment #2 from Роман Донченко <dpb at corrigendum dot ru> ---
... I should probably add that the zero return code is the expected one.