The funny thing is that it works, have a look at the MR. It says:

  All existing tests pass. Additional DWARF tests verify:

  DWARF structure (DW_TAG_compile_unit, DW_TAG_subprogram).
  Breakpoints by function and line in both GDB and LLDB.
  Type information and variable visibility.
  Correct multi-object linking.
  Platform-specific relocation handling.

So the burden of proof is obviously not anymore on the MR submitter side but the other.