Testing what happens with function-scoped static variables interacting with OpenMP

badMP.c

#include <stdio.h>
#include <stdlib.h>
#include <omp.h>

void foo(int rank)
{
    static int x = 5;
    x++;
    printf("%d from %d\n", x, rank);
}

int main(){
  omp_set_num_threads(10);

#pragma omp parallel
  {
    int rank = omp_get_thread_num();
    foo(rank);    
  }

  exit(0);
  return 0;

}