sect.flags = elf.SectionFlag(b.Flags)
			sect.addr = b.Addr
			sect.off = b.Off
			sect.size = b.Size
			sect.link = b.Link
			sect.info = b.Info
			sect.align = b.Addralign
			sect.entsize = b.Entsize
		} else {
			var b elf.Section32

			if err := binary.Read(f, e, &b); err != nil {
				return errorf("malformed elf file: %v", err)
			}
			sect.nameoff = b.Name

				Info:      bo.Uint32(shdata[off+unsafe.Offsetof(sh.Info):]),
				Addralign: uint64(bo.Uint32(shdata[off+unsafe.Offsetof(sh.Addralign):])),
				Entsize:   uint64(bo.Uint32(shdata[off+unsafe.Offsetof(sh.Entsize):])),
			}
		case ELFCLASS64:
			var sh Section64
			names = append(names, bo.Uint32(shdata[off+unsafe.Offsetof(sh.Name):]))
			s.SectionHeader = SectionHeader{

        private IndexRoot root;

        @Override
        protected byte getType() {
            return 0x77;
        }

        @Override
        protected int getSize() {
            return Block.INT_SIZE + Block.LONG_SIZE + (3 * Block.LONG_SIZE) * maxChildIndexEntries;
        }

        @Override
        public void read(DataInputStream instr) throws IOException {
            int count = instr.readInt();

		// internal/runtime/atomic.Loaduintptr is only intrinsified on these platforms.
		want["runtime"] = append(want["runtime"], "traceAcquire")
	}
	if bits.UintSize == 64 {
		// mix is only defined on 64-bit architectures
		want["runtime"] = append(want["runtime"], "mix")
		// (*Bool).CompareAndSwap is just over budget on 32-bit systems (386, arm).

		if a.Equal(aAgain) != 1 {
			t.Errorf("%v != %v", a, aAgain)
			return false
		}
		return true
	}, &quick.Config{})
	if err != nil {
		t.Error(err)
	}
}

func TestShiftIn(t *testing.T) {
	if bits.UintSize != 64 {
		t.Skip("examples are only valid in 64 bit")
	}
	examples := []struct {
		m, x, expected []byte
		y              uint64
	}{{
		m:        []byte{13},
		x:        []byte{0},