[Bug tree-optimization/64689] tree-vectorize generates wrong code with inlined function - minimum working example included

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64689

--- Comment #3 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to Philipp Gschwandtner from comment #2)
> Thanks for the quick reply, it's an excerpt from a larger code and I wasn't
> aware that it's actually not C-compliant.
> 
> Maybe gcc bug submission guidelines should include compiling/running with
> -fsanitize to check for issues like that.

Yes, that is a good idea.