89a298 tls_local_exec.c: add a dynamic relocation test case

1 file Authored by Fangrui Song 5 years ago, Committed by Szabolcs Nagy 5 years ago,
    tls_local_exec.c: add a dynamic relocation test case
    
    This can catch the bug fixed by musl commit
    9d35fec9e1f391d56faee20b868ef4114bcc4d8a in a -fpie -pie build.