rdr := d.Reader()
	ex := &dwtest.Examiner{}
	if err := ex.Populate(rdr); err != nil {
		t.Fatalf("error populating DWARF examiner for program %q: %v", source, err)
	}

	return d, ex
}

func findSubprogramDIE(t *testing.T, ex *dwtest.Examiner, sym string) *dwarf.Entry {
	dies := ex.Named(sym)
	if len(dies) == 0 {
		t.Fatalf("unable to locate DIE for %s", sym)
	}
	if len(dies) != 1 {