// assertion?
func FuncPC(pos src.XPos, n Node, wantABI obj.ABI) Node {
	if !n.Type().IsInterface() {
		base.ErrorfAt(pos, 0, "internal/abi.FuncPC%s expects an interface value, got %v", wantABI, n.Type())
	}

	if fn := IsIfaceOfFunc(n); fn != nil {
		name := fn.Nname
		abi := fn.ABI
		if abi != wantABI {
			base.ErrorfAt(pos, 0, "internal/abi.FuncPC%s expects an %v function, %s is defined as %v", wantABI, wantABI, name.Sym().Name, abi)

	if !ok {
		// text has a suffix :xxx but xxx is not a number
		p.errorAt(p.posAt(tline, tcol+i), "invalid line number: "+text[i:])
		return
	}

	var line, col uint
	i2, n2, ok2 := trailingDigits(text[:i-1])
	if ok2 {
		//line filename:line:col
		i, i2 = i2, i
		line, col = n2, n
		if col == 0 || col > PosMax {
			p.errorAt(p.posAt(tline, tcol+i2), "invalid column number: "+text[i2:])
			return
		}

	addMethod := func(m *Field, explicit bool) {
		switch prev := seen[m.Sym]; {
		case prev == nil:
			seen[m.Sym] = m
		case !explicit && Identical(m.Type, prev.Type):
			return
		default:
			base.ErrorfAt(m.Pos, errors.DuplicateDecl, "duplicate method %s", m.Sym.Name)
		}
		methods = append(methods, m)
	}

	{
		methods := t.Methods()
		sort.SliceStable(methods, func(i, j int) bool {

    private
    fun errorMessage(error: ScriptCompilationError): String =
        error.location?.let { location ->
            errorAt(location, error.message)
        } ?: error.message

    private
    fun errorAt(location: CompilerMessageSourceLocation, message: String): String {
        val columnIndent = " ".repeat(5 + maxLineNumberStringLength + 1 + location.column)

	})
	for _, large := range largeStackFrames {
		if large.callee != 0 {
			base.ErrorfAt(large.pos, 0, "stack frame too large (>1GB): %d MB locals + %d MB args + %d MB callee", large.locals>>20, large.args>>20, large.callee>>20)
		} else {
			base.ErrorfAt(large.pos, 0, "stack frame too large (>1GB): %d MB locals + %d MB args", large.locals>>20, large.args>>20)
		}
	}

	// causing a cryptic error message by the linker. Check for oversize objects here
	// and provide a useful error message instead.
	if int64(len(t)) > 2e9 {
		base.ErrorfAt(pos, 0, "%v with length %v is too big", what, len(t))
		return 0
	}

	s.WriteString(base.Ctxt, int64(off), len(t), t)
	return off + len(t)
}

var (

			}()
		}
	}()

	var lines uint
	var m posMap
	for _, p := range noders {
		for e := range p.err {
			base.ErrorfAt(m.makeXPos(e.Pos), 0, "%s", e.Msg)
		}
		if p.file == nil {
			base.ErrorExit()
		}
		lines += p.file.EOF.Line()
	}
	base.Timer.AddEvent(int64(lines), "lines")

	unified(m, noders)
}

		n.SetType(nil)
		return n
	}
	op, why := convertOp(n.X.Op() == ir.OLITERAL, t, n.Type())
	if op == ir.OXXX {
		// Due to //go:nointerface, we may be stricter than types2 here (#63333).
		base.ErrorfAt(n.Pos(), errors.InvalidConversion, "cannot convert %L to type %v%s", n.X, n.Type(), why)
		n.SetType(nil)
		return n
	}

	n.SetOp(op)
	switch n.Op() {
	case ir.OCONVNOP:
		if t.Kind() == n.Type().Kind() {

	for _, w := range ft.Copyto {
		w.SetUnderlying(t)
	}

	// Double-check use of type as embedded type.
	if ft.Embedlineno.IsKnown() {
		if t.IsPtr() || t.IsUnsafePtr() {
			base.ErrorfAt(ft.Embedlineno, errors.InvalidPtrEmbed, "embedded type cannot be a pointer")
		}
	}
}

func fieldsHasShape(fields []*Field) bool {
	for _, f := range fields {
		if f.Type != nil && f.Type.HasShape() {