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// { dg-do assemble  }

// { dg-options "-Wsign-promo" }

// 981203 bkoz

// g++/15756  test1

enum e_value { first = 0, next = 30 };

struct sanjuan {

  sanjuan(int value);

  sanjuan(unsigned value);

  friend sanjuan operator&(const sanjuan& x, const sanjuan& y);

  friend int operator!=(const sanjuan& x, const sanjuan& y);

};

extern void mod_enum(e_value*);

extern int a;

void foo(void) {

  e_value mod = first;

  mod_enum(&mod);

  if (mod != next)

    ++a;

}