gcc/testsuite/gcc.dg/cpp/Wtrigraphs.c

   1 /* { dg-do preprocess } */
   2 /* { dg-options "-std=gnu99 -Wtrigraphs -fno-show-column" } */
   3
   4 /* Test we don't double warn for trigraphs immediately after preceding
   5    text.  Source Neil Booth.  22 Nov 2000.  */
   6
   7 abcdef??<                       /* { dg-warning "ignored" } */
   8 123456??>                       /* { dg-warning "ignored" } */
   9 +??=                            /* { dg-warning "ignored" } */
  10
  11 /* Test we warn of escaped newlines only in comments.  Source Neil
  12    Booth.  4 May 2003.  */
  13
  14 /* { dg-bogus "ignored" } Test ??< ??= a few ??/ random things in
  15    { dg-warning "ignored" } some ??/
  16    { dg-bogus "ignored" } ??< comments.  */
  17
  18 // { dg-bogus "ignored" } More ??/ comment ??> tests.
  19
  20 // { dg-warning "ignored" } Another ??/
  21    Test
  22
  23 // { dg-warning "ignored" } And another with space after ??/
  24    the escape
  25
  26 // { dg-bogus "ignored" } A tricky one ??/\
  27