data := d.ldr.Data(gotype)
		// FIXME: add caching or reuse reloc slice.
		relocs := d.ldr.Relocs(gotype)
		nfields := decodetypeFuncInCount(d.arch, data)
		for i := 0; i < nfields; i++ {
			s := decodetypeFuncInType(d.ldr, d.arch, gotype, &relocs, i)
			sn := d.ldr.SymName(s)
			fld := d.newdie(die, dwarf.DW_ABRV_FUNCTYPEPARAM, sn[5:])
			d.newrefattr(fld, dwarf.DW_AT_type, d.defgotype(s))
		}