gimp-2.10.22/plug-ins/file-fli/fli.c:887:26: style: Array index 'xc' is used before limits check
Source code is
while ((linebuf[xc] == old_linebuf[xc]) &&
(xc < fli_header->width) &&
(sc < 255))
It might be wise to sanity check array index before use, not after.