I tried to simulate (PICSim IDE, Oshonsoft) the hex file, but I got "Hardware stack overflow"

#include "pic16f84.h"

void main()
{

    TRISB = 0;

    for (;;)
    {
        PORTB = 0;
        PORTB = 1;
    }
}


".... \sdcc\bin\sdcc.exe" --vc -mpic14 -p16f84 blinkled.c


Thanks