func TLSDialWithDialer(dialer Dialer, network, addr string, config *tls.Config) (*tls.Conn, error) {
	return tlsDial(context.Background(), dialer, network, addr, config)
}

func tlsDial(ctx context.Context, netDialer Dialer, network, addr string, config *tls.Config) (*tls.Conn, error) {
	rawConn, err := netDialer.DialContext(ctx, network, addr)
	if err != nil {

	RET

// int32 clone(int32 flags, void *stack, M *mp, G *gp, void (*fn)(void));
TEXT runtime·clone(SB),NOSPLIT,$0
	MOVW	flags+0(FP), R0
	MOVW	stk+4(FP), R1
	MOVW	$0, R2	// parent tid ptr
	MOVW	$0, R3	// tls_val
	MOVW	$0, R4	// child tid ptr
	MOVW	$0, R5

	// Copy mp, gp, fn off parent stack for use by child.
	MOVW	$-16(R1), R1
	MOVW	mp+8(FP), R6
	MOVW	R6, 0(R1)
	MOVW	gp+12(FP), R6
	MOVW	R6, 4(R1)