When I used l 41 in gdb, the following appears on the screen. Is this a gdb bug?
(gdb) l 41
file: "/home/user1/src/kernel.inc.hpp", line number: 41
file: "/home/user1/src/kernel.inc.hpp", line number: 41
GNU gdb (GDB) version: 7.11.1;
gcc version 6.1.1 20160602 (GCC)