1  /* Copyright (C) 2000 Free Software Foundation, Inc.  */
       2  /* { dg-do compile } */
       3  /* { dg-options -save-temps } */
       4  
       5  /* Since 1.0e and + form the pasted token, 1 is a separate token and
       6     so should be output with a preceding space.  The old preprocessor
       7     gets this wrong.  We use -save-temps to avoid direct use of the
       8     integrated preprocessor.  */
       9  
      10  #define glue(x, y) x ## y
      11  
      12  int main ()
      13  {
      14    double d = glue (1.0e, +1); /* { dg-error "exponent|parse error|syntax error|expected" } */
      15    return 0;
      16  }
      17