},

					// func valueCall(v ref, m string, args []ref) (ref, bool)
					"syscall/js.valueCall": (sp) => {
						sp >>>= 0;
						try {
							const v = loadValue(sp + 8);
							const m = Reflect.get(v, loadString(sp + 16));
							const args = loadSliceOfValues(sp + 32);
							const result = Reflect.apply(m, v, args);
							sp = this._inst.exports.getsp() >>> 0; // see comment above

		f.walk(&n.Type, ctxType, visit)
	case *ast.CallExpr:
		if context == ctxAssign2 {
			f.walk(&n.Fun, ctxCall2, visit)
		} else {
			f.walk(&n.Fun, ctxCall, visit)
		}
		f.walk(n.Args, ctxExpr, visit)
	case *ast.StarExpr:
		f.walk(&n.X, context, visit)
	case *ast.UnaryExpr:
		f.walk(&n.X, ctxExpr, visit)
	case *ast.BinaryExpr:
		f.walk(&n.X, ctxExpr, visit)
		f.walk(&n.Y, ctxExpr, visit)

	var args [][]Token
	// One macro argument per iteration. Collect them all and check counts afterwards.
	for argNum := 0; ; argNum++ {
		tokens, tok := in.collectArgument(macro)
		args = append(args, tokens)
		if tok == ')' {
			break
		}
	}
	// Zero-argument macros are tricky.
	if len(macro.args) == 0 && len(args) == 1 && args[0] == nil {
		args = nil

</p>

<pre>
$ cat x.go
package main

func main() {
	println(3)
}
$ GOOS=linux GOARCH=amd64 go tool compile -S x.go        # or: go build -gcflags -S x.go
"".main STEXT size=74 args=0x0 locals=0x10
	0x0000 00000 (x.go:3)	TEXT	"".main(SB), $16-0
	0x0000 00000 (x.go:3)	MOVQ	(TLS), CX
	0x0009 00009 (x.go:3)	CMPQ	SP, 16(CX)
	0x000d 00013 (x.go:3)	JLS	67
	0x000f 00015 (x.go:3)	SUBQ	$16, SP

func (p *Parser) errorf(format string, args ...interface{}) {
	if panicOnError {
		panic(fmt.Errorf(format, args...))
	}
	if p.lineNum == p.errorLine {
		// Only one error per line.
		return
	}
	p.errorLine = p.lineNum
	if p.lex != nil {
		// Put file and line information on head of message.
		format = "%s:%d: " + format + "\n"
		args = append([]interface{}{p.lex.File(), p.lineNum}, args...)
	}

// to stay in the language.
func print(args ...Type)

// The println built-in function formats its arguments in an
// implementation-specific way and writes the result to standard error.
// Spaces are always added between arguments and a newline is appended.
// Println is useful for bootstrapping and debugging; it is not guaranteed
// to stay in the language.
func println(args ...Type)

			buf.WriteString(pkg.Name())
			buf.WriteByte('.')
		}
		buf.WriteString(typ.Obj().Name())
		if targs := typ.TypeArgs(); targs.Len() > 0 {
			buf.WriteByte('[')
			for i := 0; i < targs.Len(); i++ {
				if i > 0 {
					buf.WriteString(", ")
				}
				w.writeType(buf, targs.At(i))
			}
			buf.WriteByte(']')
		}

	case *types.TypeParam:

	if err != nil {
		return 0, fmt.Errorf("adb exec-out %s: %v", args, err)
	}
	return exitCode, err2
}

func adb(args ...string) error {
	if out, err := adbCmd(args...).CombinedOutput(); err != nil {
		fmt.Fprintf(os.Stderr, "adb %s\n%s", strings.Join(args, " "), out)
		return err
	}
	return nil
}

func adbCmd(args ...string) *exec.Cmd {
	if flags := os.Getenv("GOANDROID_ADB_FLAGS"); flags != "" {

func idevCmd(cmd *exec.Cmd) *exec.Cmd {
	if deviceID != "" {
		// Inject -u device_id after the executable, but before the arguments.
		args := []string{cmd.Args[0], "-u", deviceID}
		cmd.Args = append(args, cmd.Args[1:]...)
	}
	return cmd
}

func runSimulator(appdir, bundleID string, args []string) error {
	cmd := exec.Command(
		"xcrun", "simctl", "launch",
		"--wait-for-debugger",
		"booted",
		bundleID,
	)

	ctxt.Bso = bufio.NewWriter(os.Stdout)
	ctxt.IsAsm = true
	defer ctxt.Bso.Flush()
	failed := false
	ctxt.DiagFunc = func(format string, args ...interface{}) {
		failed = true
		t.Errorf(format, args...)
	}
	pList.Firstpc, ok = parser.Parse()
	if !ok || failed {
		t.Errorf("asm: %s assembly failed", goarch)
		return
	}
	output := strings.Split(testOut.String(), "\n")