[Bug c++/95726] ICE with aarch64 __Float32x4_t as template argument

[rsandifo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95726

--- Comment #8 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> ---
Thanks for the pointers.  Putting the mangled name in a target-specific
attribute (like we do for SVE) seems to fix it.  It actually also keeps
the testcase in comment 4 “working”, which is unexpected (to me) and
seems a little dubious.  I guess it's good news for backporting though.