nios2 iss problem/bug

Hello,

I am tryign to run the nios2-iss from thet command line and have run into a problem. Here is what ive tried:

$cat main.c
int main() {
    return 0;
}
$nios2-elf-gcc main.c
$nios2-elf-objdump -d ./a.out > disassembly.txt
$nios2-iss -f ./a.out -ta:trace.sim.txt
...
Error! : Simulation failed in component cpu_0 at instruction 22 (PC=0x110c instr=0x00011481).
...
Info : cpu_0 simulation return code 4300
Info : Exiting Nios2_system model with return code 4301 (0 fatal errors, 1 error, 0 warnings)

looking at the trace you can see that the iss is crashing when trying to jump to a function _memset _zero_bss from the _start routines before it

even reaches main. so it seems to be a problem with the iss itself.

0000110c <_zero_bss>:
    110c:    00011481     jmpi    1148 <memset>

attached is the simulator trace and a disaassembly dump. I wonder what i am doing wrong, or if this is a bug in the iss? Please help.