[Bug tree-optimization/113013] [12/13/14 regression] ICE in fold_convert_loc with -fsanitize=undefined

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113013

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The use of __alloc_size__ here is definitely not well defined but GCC should
NOT crash.