[Bug bootstrap/78817] stage2 bootstrap failure in vec.h:1613:5: error: argument 1 null where non-null expected after r243661

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78817

--- Comment #3 from Segher Boessenkool <segher at gcc dot gnu.org> ---
It is a warning (as well as a bootstrap comparison error) on powerpc64-linux.
You tested on powerpc64le-linux, different animal.