https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81317
--- Comment #6 from Randy MacLeod <randy.macleod at windriver dot com> --- Created attachment 41682 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41682&action=edit smaller reproducer with manual work-around The work-around clearly isn't a viable one. I believe that builtin_vec_ld(a,b) can take 'a' as a variable but perhaps not.