old-autovect-branch/gcc/testsuite/gcc.dg/cpp/20000129-1.c

   1 /* Regression test for trigraph warnings.  Under certain conditions we
   2    got the line numbers wrong.
   3    Originally exposed by XEmacs and reported by Martin Buchholz
   4    <martin@xemacs.org>; this test case is synthetic.  */
   5
   6 /* { dg-do preprocess } */
   7 /* { dg-options -Wall } */
   8
   9 #define some_macro \
  10         blah    \
  11         blah    \
  12         blah    \
  13         blah
  14
  15 ??>     /* { dg-warning "trigraph ..." "trigraph encountered" } */