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" } */ 16