1  /* { dg-do preprocess } */
       2  /* { dg-options "-std=c99 -Wtrigraphs" } */
       3  
       4  /* Test warnings for trigraphs in comments, with trigraphs enabled.
       5     Neil Booth.  4 May 2003.  */
       6  
       7  /* { dg-bogus "converted" } Test ??< ??= a few ??/ random things in
       8     { dg-warning "converted" } some ??/
       9     { dg-bogus "converted" } ??< comments.  */
      10  
      11  // { dg-bogus "converted" } More ??/ comment ??> tests.
      12  
      13  // { dg-warning "converted" } Another ??/
      14     Test
      15  
      16  // { dg-warning "converted" } And another with space after ??/  
      17     the escape
      18  
      19  // { dg-bogus "converted" } A tricky one ??/\
      20