[Bug libgcc/81415] termio ioctl returns incorrect value for some bindings

[schwab--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81415

--- Comment #5 from Andreas Schwab <sch...@linux-m68k.org> ---
ioctl.c: In function ‘main’:
ioctl.c:21:24: warning: array subscript is above array bounds [-Warray-bounds]
    if ((int) sgbuf.c_cc[VSUSP] != 0377) {
              ~~~~~~~~~~^~~~~~~