https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81901
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |diagnostic Status|UNCONFIRMED |WAITING Last reconfirmed| |2017-08-21 Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- whoo, obfuscation. For i = 0x30 we run into case 0x00, i & 0x0f < 8 is true but you still access a[0x30]? Do you want to access a[i & 0xf]?