1  /* { dg-options "-Wparentheses -ftrack-macro-expansion=0" } */
       2  
       3  #ifndef __cplusplus
       4  #define bool _Bool
       5  #endif
       6  
       7  extern void f2 (int);
       8  
       9  void bar (int x, int y, int z, bool b)
      10  {
      11  #define T(op) f2 (x op y ? : 1)
      12  #define T2(op) f2 (x op y ? 2 : 1)
      13  
      14    T(<); /* { dg-warning "omitted middle operand" } */
      15    T(>); /* { dg-warning "omitted middle operand" } */
      16    T(<=); /* { dg-warning "omitted middle operand" } */
      17    T(>=); /* { dg-warning "omitted middle operand" } */
      18    T(==); /* { dg-warning "omitted middle operand" } */
      19    T(!=); /* { dg-warning "omitted middle operand" } */
      20    T(||); /* { dg-warning "omitted middle operand" } */
      21    T(&&); /* { dg-warning "omitted middle operand" } */
      22    f2 (!x ? : 1);  /* { dg-warning "omitted middle operand" } */
      23    f2 ((x,!x) ? : 1);  /* { dg-warning "omitted middle operand" } */
      24    f2 ((x,y,!x) ? : 1);  /* { dg-warning "omitted middle operand" } */
      25    T2(<); /* { dg-bogus "omitted middle operand" } */
      26    T2(>); /* { dg-bogus "omitted middle operand" } */
      27    T2(==); /* { dg-bogus "omitted middle operand" } */
      28    T2(||); /* { dg-bogus "omitted middle operand" } */
      29    T2(&&); /* { dg-bogus "omitted middle operand" } */
      30    T(+); /* { dg-bogus "omitted middle operand" } */
      31    T(-); /* { dg-bogus "omitted middle operand" } */
      32    T(*); /* { dg-bogus "omitted middle operand" } */
      33    T(/); /* { dg-bogus "omitted middle operand" } */
      34    T(^); /* { dg-bogus "omitted middle operand" } */
      35    f2 (b ? : 1);  /* { dg-warning "omitted middle operand" } */
      36  }