https://bugs.libre-soc.org/show_bug.cgi?id=676

int m2(int * const restrict a, int n) 
{ 
   int m, nm; 
   int i; 

   m = INT_MIN; 
   nm = -1; 
   for (i=0; i<n; i++) 
   { 
       if (a[i] > m) 
       { 
           m = a[i]; 
           nm = i; 
       } 
    } 
    return nm; 
}