// not nil. Values of string type are immutable.
type string string

// int is a signed integer type that is at least 32 bits in size. It is a
// distinct type, however, and not an alias for, say, int32.
type int int

// uint is an unsigned integer type that is at least 32 bits in size. It is a
// distinct type, however, and not an alias for, say, uint32.
type uint uint

				if bits&(1<<lo) != 0 {
					p.errorf("register R%d already in list", lo)
				}
				bits |= 1 << lo
				lo++
			}
		default:
			p.errorf("unexpected register list")
		}
		if p.peek() != ']' {
			p.get(',')
		}
	}
	a.Type = obj.TYPE_REGLIST
	switch p.arch.Family {
	case sys.ARM:
		a.Offset = int64(bits)
	case sys.ARM64:

}

// asciiSet is a 32-byte value, where each bit represents the presence of a
// given ASCII character in the set. The 128-bits of the lower 16 bytes,
// starting with the least-significant bit of the lowest word to the
// most-significant bit of the highest word, map to the full range of all
// 128 ASCII characters. The 128-bits of the upper 16 bytes will be zeroed,
// ensuring that any non-ASCII character will be reported as not in the set.

implementation must:
</p>

<ul>
	<li>Represent integer constants with at least 256 bits.</li>

	<li>Represent floating-point constants, including the parts of
	    a complex constant, with a mantissa of at least 256 bits
	    and a signed binary exponent of at least 16 bits.</li>

	<li>Give an error if unable to represent an integer constant
	    precisely.</li>

	if testing.Short() {
		t.Skip("slow test; skipping")
	}
	t.Parallel()
	// Test a zip file with uncompressed size 0xFFFFFFFF.
	// That's the magic marker for a 64-bit file, so even though
	// it fits in a 32-bit field we must use the 64-bit field.
	// Go 1.5 and earlier got this wrong,
	// writing an invalid zip file.
	const size = 1<<32 - 1 - int64(len("END\n")) // before the "END\n" part
	buf := testZip64(t, size)

pkg debug/elf, const STB_GLOBAL = 1
pkg debug/elf, const STB_HIOS = 12
pkg debug/elf, const STB_HIPROC = 15
pkg debug/elf, const STB_LOCAL = 0
pkg debug/elf, const STB_LOOS = 10
pkg debug/elf, const STB_LOPROC = 13
pkg debug/elf, const STB_WEAK = 2
pkg debug/elf, const STT_COMMON = 5
pkg debug/elf, const STT_FILE = 4
pkg debug/elf, const STT_FUNC = 2
pkg debug/elf, const STT_HIOS = 12
pkg debug/elf, const STT_HIPROC = 15

// cond was unrecognized.
func ARM64Suffix(prog *obj.Prog, cond string) bool {
	if cond == "" {
		return true
	}
	bits, ok := parseARM64Suffix(cond)
	if !ok {
		return false
	}
	prog.Scond = bits
	return true
}

// parseARM64Suffix parses the suffix attached to an ARM64 instruction.
// The input is a single string consisting of period-separated condition

// header in case further processing is required.
//
// The err will be set to io.EOF only when one of the following occurs:
//   - Exactly 0 bytes are read and EOF is hit.
//   - Exactly 1 block of zeros is read and EOF is hit.
//   - At least 2 blocks of zeros are read.
func (tr *Reader) readHeader() (*Header, *block, error) {
	// Two blocks of zero bytes marks the end of the archive.

func (z *Int) Bytes() []byte {
	b := make([]byte, (z.Len()+7)/8)
	n := C.size_t(len(b))
	C.mpz_export(unsafe.Pointer(&b[0]), &n, 1, 1, 1, 0, &z.i[0])
	return b[0:n]
}

// Len returns the length of z in bits.  0 is considered to have length 1.
func (z *Int) Len() int {
	z.doinit()
	return int(C.mpz_sizeinbase(&z.i[0], 2))
}

// Set sets z = x and returns z.
func (z *Int) Set(x *Int) *Int {
	z.doinit()

The [Alias] type now has an [Rhs] method that returns the type on the
right-hand side of its declaration: given `type A = B`, the `Rhs` of A