cc65/test/val/bug1108.c

/* bug #1108 - Problem with static locals? */

#include <stdio.h>

#pragma static-locals (on)

unsigned char x = 0;

unsigned char PrintVar1(void)
{
    unsigned char cx = x + 1;
    printf("cx:%d x:%d\n", cx, x);
    return cx == 0;
}

unsigned char PrintVar2(void)
{
    unsigned char cx = x + 1;
    unsigned char cy;
    cy = x + 1;
    printf("cx:%d cy:%d x:%d\n", cx, cy, x);
    return cx != cy;
}

#pragma static-locals (off)

unsigned char n;
unsigned char ret = 0;

int main(void)
{
    for (n = 0; n < 10; n++) {
        ++x;
        ret |= PrintVar1();
        ret |= PrintVar2();
    }
    return ret;
}