1  /* Copyright (C) 2000 Free Software Foundation, Inc.  */
       2  
       3  /* { dg-do preprocess } */
       4  
       5  /* Source: Neil Booth.  */
       6  
       7  /* Various illegal expressions with missing components.  */
       8  
       9  #if		/* { dg-error "no expression" "empty #if" } */
      10  #endif
      11  
      12  #if ~		/* { dg-error "no right op" "no unary operand" } */
      13  #endif
      14  
      15  #if 3 + * 6 + 4  /* { dg-error "no right op" "no right operand" } */
      16  #endif
      17  
      18  #if 2 ~2	/* { dg-error "missing bin" "no binary operator" } */
      19  #endif
      20  
      21  #if 1 + 2 (3)   /* { dg-error "missing bin" "immediate then open paren" } */
      22  #endif
      23  
      24  #if (2) 4 * 2  /* { dg-error "missing bin" "close paren then immediate" } */
      25  #endif
      26  
      27  #if == 2  /* { dg-error "no left op" } */
      28  #endif
      29  
      30  #if (==2)  /* { dg-error "no left op" } */
      31  #endif