luaK_fixline
luaK_fixline(fs, line);
LUAI_FUNC void luaK_fixline (FuncState *fs, int line);
luaK_fixline(fs, line);
luaK_fixline(fs, line);
luaK_fixline(ls->fs, line); /* definition `happens' in the first line */
luaK_fixline(fs, line);