https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71753
--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> --- -fsanitize=undefined a.c:11:21: runtime error: signed integer overflow: 260 + 2147483392 cannot be represented in type 'int' You need to use an unsigned type for this type of computation.
