[Bug tree-optimization/114369] tree-vect-loop.cc uses vec_step which is also an altivec intrinsics breaks build when building with clang

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114369

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The gcc altivec.h defines it as a function-like macro, so not a problem.
So perhaps a clang bug for not defining it as a function-like macro only?