https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79170
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-01-24 CC| |acsawdey at gcc dot gnu.org, | |marxin at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- Probably same problem for: #include <assert.h> static unsigned char a[8] = {26, 54, 241, 144, 14, 86, 52, 58}; static unsigned char b[8] = {242, 38, 231, 126, 43, 254, 247, 41}; int main() { if (__builtin_memcmp (a, b, 8) >= 0) __builtin_abort (); } Started with r240455.