1  /* { dg-do compile } */
       2  /* { dg-require-alias "" } */
       3  
       4  const double a = 0;
       5  extern int b __attribute__((alias("a")));
       6  void inc() { b++; }
       7  
       8  const int a2 = 0;
       9  extern double b2 __attribute__((alias("a2")));
      10  void inc2() { b2+=1; }