text: /* Test for a bogus warning on comparison between signed and unsigned.
     This was inspired by code in gcc. */
  
  /* { dg-do compile } */
  /* { dg-options "-Wsign-compare" } */
  
  int tf = 1;
  
  /* This enumeration has an explicit negative value and is therefore signed.  */
  enum mm1 
  {
    VOID, SI, DI, MAX = -1
  };
  
  /* This enumeration fits entirely in a signed int, but is unsigned anyway.  */
  enum mm2
  {
    VOID2, SI2, DI2, MAX2
  };
  
  int f(enum mm1 x)
  {
    return x == (tf?DI:SI); /* { dg-bogus "signed and unsigned" "case 1" } */
  }
  
  int g(enum mm1 x)
  {
    return x == (tf?DI:-1); /* { dg-bogus "signed and unsigned" "case 2" } */
  }
  
  int h(enum mm2 x)
  {
    return x == (tf?DI2:SI2); /* { dg-bogus "signed and unsigned" "case 3" } */
  }
  
  int i(enum mm2 x)
  {
    return x == (tf?DI2:-1); /* { dg-warning "signed and unsigned" "case 4" } */
  }
  