1  /* PR c/102867 - -Waddress from macro expansion in readelf.c
       2     { dg-do compile }
       3     { dg-options "-Wall" } */
       4  
       5  #define F(x) ((&x) != 0)
       6  
       7  int warn_nomacro (int *p, int i)
       8  {
       9    return &p[i] != 0;          // { dg-warning "-Waddress" }
      10  }
      11  
      12  int nowarn_macro_expansion (int *p, int i)
      13  {
      14    // Verify that -Waddress isn't issued for code from macro expansion.
      15    return F (p[i]);            // { dg-bogus "-Waddress" }
      16  }
      17  
      18  #define G(x, i) ((&x) + i)
      19  
      20  int warn_function_macro_expansion (int *p, int i)
      21  {
      22    /* Verify that -Waddress is issued for code involving macro expansion
      23       where the comparison takes place outside the macro.  */
      24    return G (*p, i) != 0;      // { dg-warning "-Waddress" }
      25  }
      26  
      27  #define malloc __builtin_malloc
      28  
      29  int warn_object_macro_expansion (int *p, int i)
      30  {
      31    return malloc != 0;         // { dg-warning "-Waddress" }
      32  }