text: /* Copyright (C) 2000 Free Software Foundation, Inc.  */
  
  /* { dg-do preprocess } */
  
  /* Tests the _Pragma operator.  Contributed by Neil Booth 1 Nov 2000.  */
  
  /* Within the preprocessor, the easy pragma to test is "poison".  */
  
  #pragma GCC poison p1
  p1				/* { dg-error "poisoned" } */
  
  /* Standard use of _Pragma.  */
  _Pragma ("GCC poison p2")
  p2				/* { dg-error "poisoned" } */
  
  /* Don't interpret _Pragmas in directives.  The standard is not clear
     on this, but I think this makes most sense.  */
  #if 1 _Pragma (L"GCC poison p3") /* { dg-error "missing binary operator" } */
  p3
  #endif
  
  #define M1 _Pragma ("GCC poison p4")
  p4				/* No problem; not yet poisoned.  */
  #define M2(x) _Pragma (#x)
  
  /* Now test macro expansion with embedded _Pragmas.  */
  M1 p4				/* { dg-error "poisoned" } */
  M2 (GCC poison p5) p5		/* { dg-error "poisoned" } */
  
  /* Not interpreting _Pragma in directives means they don't nest.  */
  _Pragma ("_Pragma (\"GCC poison p6\") GCC poison p7")
  p6
  p7
  
  /* Check we ignore them in false conditionals.  */
  #if 0
  _Pragma ("GCC poison p8")
  #endif
  p8				/* No problem.  */
  