[Bug target/100703] __vector_pair and __vector_quad cannot be passed by reference

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100703

--- Comment #2 from Segher Boessenkool <segher at gcc dot gnu.org> ---
This compiles just fine for me, even with -O0.  Does this only happen with
some older version of the compiler?  Are some special flags needed?