syms = append(syms, lineProlog)
	lsu := d.ldr.MakeSymbolUpdater(lineProlog)
	lsDwsym := dwSym(lineProlog)
	newattr(unit.DWInfo, dwarf.DW_AT_stmt_list, dwarf.DW_CLS_PTR, 0, lsDwsym)

	// Write .debug_line Line Number Program Header (sec 6.2.4)
	// Fields marked with (*) must be changed for 64-bit dwarf
	unitLengthOffset := lsu.Size()
	d.createUnitLength(lsu, 0) // unit_length (*), filled in at end
	unitstart = lsu.Size()