MSP430F6779A: What happens to EMDC after a long period of interrupt disabling?

void EMLibGUIApp_Engine(void)
{
    unsigned char i;
    unsigned int interrupt_flag;

    i = 10;

    // delay 2.1 s
    while(i)
    {
        i--;
        __delay_cycles(1200000);
        __delay_cycles(1200000);
        __delay_cycles(1100000);

    }

    // disable interrupt 290 us
    interrupt_flag = __get_interrupt_state();

    __disable_interrupt();

    __delay_cycles(1600);
    __delay_cycles(1600);
    __delay_cycles(1600);
    __delay_cycles(1600);
    __delay_cycles(800);

    __set_interrupt_state(interrupt_flag);

    /* Start Energy Measurement -- Main loop  */
    while(1)
    {
		// EM Lib Foreground process
		EM_foregroundProc(&gemResultStatus);

		HMI_stateMachine(gemResultStatus);
    }
}