message: R_X86_64_TPOFF64 does not require symbol, allow it to be unset
diff: @@ -398,10 +398,14 @@ impl Linker {
  set_u64((b + a) as u64);
  }
  reloc::R_X86_64_TPOFF64 => {
  + if rel.r_sym > 0 {
  let sym = symbol
  .as_ref()
  .expect("R_X86_64_TPOFF64 called without valid symbol");
  set_u64((sym.value + a).wrapping_sub(t) as u64);
  + } else {
  + set_u64(a.wrapping_sub(t) as u64);
  + }
  }
  reloc::R_X86_64_IRELATIVE => unsafe {
  let f: unsafe extern "C" fn() -> u64 = transmute(b + a);
  