1  /* Copyright (C) 2000 Free Software Foundation, Inc.  */
       2  
       3  /*
       4    { dg-options "-ftrack-macro-expansion=0" }
       5    { dg-do preprocess }
       6  */
       7  
       8  /* This used to be recognized as a comment when lexing after pasting
       9     spellings.  Neil Booth, 9 Oct 2002.  */
      10  
      11  #define a /##/=
      12  a			/* { dg-error "valid preprocessing tok" } */