mwq.Qualifiers = mergeQualifiers(q, mwq.Qualifiers)
		} else {
			// Merge adjacent qualifiers.  This case
			// happens with multi-dimensional array types.
			if qsub, ok := ret.(*TypeWithQualifiers); ok {
				q = mergeQualifiers(q, qsub.Qualifiers)
				ret = qsub.Base
			}
			ret = &TypeWithQualifiers{Base: ret, Qualifiers: q}
		}
		st.subs.add(ret)
	}

	return ret
}

	if symname == nil {
		symname = func(uint64) (string, uint64) { return "", 0 }
	}

	// Adjust opcode [sic].
	switch inst.Op {
	case FDIV, FDIVR, FSUB, FSUBR, FDIVP, FDIVRP, FSUBP, FSUBRP:
		// DC E0, DC F0: libopcodes swaps FSUBR/FSUB and FDIVR/FDIV, at least
		// if you believe the Intel manual is correct (the encoding is irregular as given;
		// libopcodes uses the more regular expected encoding).

)

// A SubFS is a file system with a Sub method.
type SubFS interface {
	FS

	// Sub returns an FS corresponding to the subtree rooted at dir.
	Sub(dir string) (FS, error)
}

// Sub returns an [FS] corresponding to the subtree rooted at fsys's dir.
//
// If dir is ".", Sub returns fsys unchanged.
// Otherwise, if fs implements [SubFS], Sub returns fsys.Sub(dir).
// Otherwise, Sub returns a new [FS] implementation sub that,

			if !isVchar(r) && !isWSP(r) {
				return "", fmt.Errorf("mail: bad character in quoted-string: %q", r)
			}

			qsb = append(qsb, r)
			escaped = false

		case isQtext(r) || isWSP(r):
			// qtext (printable US-ASCII excluding " and \), or
			// FWS (almost; we're ignoring CRLF)
			qsb = append(qsb, r)

		case r == '"':
			break Loop

		case r == '\\':
			escaped = true

		default:

		}
	}

	// Clone should make a copy of bSub, since bSub is just part of b and so is in the arena.
	bSub := b[1:3]
	bSubCopy := UserArenaClone(bSub)
	if unsafe.Pointer(&bSub[0]) == unsafe.Pointer(&bSubCopy[0]) {
		t.Errorf("Clone did not make a copy: %#v -> %#v", bSub, bSubCopy)
	}
	if len(bSub) != len(bSubCopy) {
		t.Errorf("Clone made an incorrect copy (bad length): %d -> %d", len(bSub), len(bSubCopy))
	} else {

			// maintain FP for DUFFCOPY
			q3 := obj.Appendp(q2, c.newprog)
			q3.Pos = p.Pos
			q3.As = ASUB
			q3.From.Type = obj.TYPE_CONST
			q3.From.Offset = 24
			q3.Reg = REGSP
			q3.To.Type = obj.TYPE_REG
			q3.To.Reg = REGFP

			q5 := obj.Appendp(q4, c.newprog)
			q5.Pos = p.Pos
			q5.As = ASUB
			q5.From.Type = obj.TYPE_CONST
			q5.From.Offset = 8
			q5.Reg = REGSP

	OREAL:             "real",
	ORECV:             "<-",
	ORECOVER:          "recover",
	ORETURN:           "return",
	ORSH:              ">>",
	OSELECT:           "select",
	OSEND:             "<-",
	OSUB:              "-",
	OSWITCH:           "switch",
	OUNSAFEADD:        "unsafe.Add",
	OUNSAFESLICE:      "unsafe.Slice",
	OUNSAFESLICEDATA:  "unsafe.SliceData",
	OUNSAFESTRING:     "unsafe.String",

	if a+5 <= 0 {
		return 1
	}

	// arm64:`CMN`,-`ADD`,`(BMI|BPL)`
	if a+13 >= 0 {
		return 2
	}

	// arm64:`CMP|CMN`,-`(ADD|SUB)`,`(BMI|BPL)`
	if a-7 < 0 {
		return 3
	}

	// arm64:`SUB`,`TBZ`
	if a-11 >= 0 {
		return 4
	}

	// arm64:`SUB`,`CMP`,`BGT`
	if a-19 > 0 {
		return 4
	}

	// arm64:`CMNW`,-`ADDW`,`(BMI|BPL)`
	// arm:`CMN`,-`ADD`,`(BMI|BPL)`
	if e+3 < 0 {

	"MOVWD",
	"MOVWF",
	"MOVWL",
	"MOVWR",
	"MSUB",
	"MUL",
	"MULD",
	"MULF",
	"MULU",
	"MULW",
	"NEGD",
	"NEGF",
	"NEGW",
	"NEGV",
	"NOOP",
	"NOR",
	"OR",
	"REM",
	"REMU",
	"RFE",
	"ROTR",
	"ROTRV",
	"SC",
	"SCV",
	"SEB",
	"SEH",
	"SGT",
	"SGTU",
	"SLL",
	"SQRTD",
	"SQRTF",
	"SRA",
	"SRL",
	"SUB",
	"SUBD",
	"SUBF",
	"SUBU",
	"SUBW",

	"MOVK",
	"MOVKW",
	"MOVN",
	"MOVNW",
	"MOVP",
	"MOVPD",
	"MOVPQ",
	"MOVPS",
	"MOVPSW",
	"MOVPW",
	"MOVW",
	"MOVWU",
	"MOVZ",
	"MOVZW",
	"MRS",
	"MSR",
	"MSUB",
	"MSUBW",
	"MUL",
	"MULW",
	"MVN",
	"MVNW",
	"NEG",
	"NEGS",
	"NEGSW",
	"NEGW",
	"NGC",
	"NGCS",
	"NGCSW",
	"NGCW",
	"NOOP",
	"ORN",
	"ORNW",
	"ORR",