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/* Copyright (C) 2002 Free Software Foundation, Inc.  */
 
/* { dg-do preprocess } */
 
/* Source: Neil Booth, 26 Feb 2002.
 
   Test that we allow directives in macro arguments.  */
 
/* { dg-do run } */
/* { dg-options "" } */
 
#define f(x) x
extern void abort (void);
 
int main ()
{
  if (f (
#if f(1)			/* True.  */
	0))			/* False. */
#else
    	1))
#endif
     abort ();
 
     /* Outer f expands to original definition, f in argument expands
	to new definition, so result is: if (1 != 2 - 1).  */
     if (1 != f(2
#undef f
#define f - 1
     f))
     abort ();
 
     return 0;
}