I got a following error:: ```
valgrind ls -l
==3208== Memcheck, a memory error detector
==3208== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==3208== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
==3208== Command: ls -l
==3208== 
vex mips->IR: unhandled instruction bytes: 0x0 0x0 0xE0 0xEF
==3208== valgrind: Unrecognised instruction at address 0x40024a4.
==3208==    at 0x40024A4: ??? (in /lib64/ld-2.26.so)
==3208==    by 0x1FFF003BD8: ???
==3208== Your program just tried to execute an instruction that Valgrind
==3208== did not recognise.  There are two possible reasons for this.
==3208== 1. Your program has a bug and erroneously jumped to a non-code
==3208==    location.  If you are running Memcheck and you just saw a
==3208==    warning about a bad jump, it's probably your program's fault.
==3208== 2. The instruction is legitimate but Valgrind doesn't handle it,
==3208==    i.e. it's Valgrind's fault.  If you think this is the case or
==3208==    you are not sure, please let us know and we'll try to fix it.
==3208== Either way, Valgrind will now raise a SIGILL signal which will
==3208== probably kill your program.
==3208== 
==3208== Process terminating with default action of signal 4 (SIGILL): dumping core
==3208==  Illegal opcode at address 0x40024A4
==3208==    at 0x40024A4: ??? (in /lib64/ld-2.26.so)
==3208==    by 0x1FFF003BD8: ???
==3208== 

```