//   cmd/link/internal/ld/decodesym.go

type Name struct {
	Bytes *byte
}

// DataChecked does pointer arithmetic on n's Bytes, and that arithmetic is asserted to
// be safe for the reason in whySafe (which can appear in a backtrace, etc.)
func (n Name) DataChecked(off int, whySafe string) *byte {
	return (*byte)(addChecked(unsafe.Pointer(n.Bytes), uintptr(off), whySafe))
}

func FirstMethodNameBytes(t Type) *byte {
	_ = pinUnexpMethI

	ut := t.uncommon()
	if ut == nil {
		panic("type has no methods")
	}
	m := ut.Methods()[0]
	mname := t.(*rtype).nameOff(m.Name)
	if *mname.DataChecked(0, "name flag field")&(1<<2) == 0 {
		panic("method name does not have pkgPath *string")
	}
	return mname.Bytes
}

type OtherPkgFields struct {
	OtherExported   int
	otherUnexported int
}

func FirstMethodNameBytes(t Type) *byte {
	_ = pinUnexpMethI

	ut := t.uncommon()
	if ut == nil {
		panic("type has no methods")
	}
	m := ut.Methods()[0]
	mname := t.(rtype).nameOff(m.Name)
	if *mname.DataChecked(0, "name flag field")&(1<<2) == 0 {
		panic("method name does not have pkgPath *string")
	}
	return mname.Bytes
}

type Buffer struct {
	buf []byte

		return ""
	}
	i, l := n.readVarint(1)
	i2, l2 := n.readVarint(1 + i + l)
	return unsafe.String(n.data(1+i+l+i2, "non-empty string"), l2)
}

func pkgPath(n abi.Name) string {
	if n.Bytes == nil || *n.DataChecked(0, "name flag field")&(1<<2) == 0 {
		return ""
	}
	i, l := n.ReadVarint(1)
	off := 1 + i + l
	if n.HasTag() {
		i2, l2 := n.ReadVarint(off)
		off += i2 + l2
	}
	var nameOff int32

// 76     -5n         PROMOTED runtime.persistentalloc   mcheckmark.go:48:45|3   inLoopAdj
// 201    0           --- PGO  unicode.DecodeRuneInString        utf8.go:312:30|1
// 7      -5          --- PGO  internal/abi.Name.DataChecked     type.go:625:22|0        inLoopAdj
//
// In the dump above, "Score" is the final score calculated for the
// callsite, "Adjustment" is the amount added to or subtracted from

// Struct field
type structField = abi.StructField

// structType represents a struct type.
type structType struct {
	abi.StructType
}

func pkgPath(n abi.Name) string {
	if n.Bytes == nil || *n.DataChecked(0, "name flag field")&(1<<2) == 0 {
		return ""
	}
	i, l := n.ReadVarint(1)
	off := 1 + i + l
	if n.HasTag() {
		i2, l2 := n.ReadVarint(off)
		off += i2 + l2
	}
	var nameOff int32