1 /* Copyright (C) 2000 Free Software Foundation, Inc. */ 2 3 /* { dg-do preprocess } */ 4 /* { dg-options "-trigraphs -fdollars-in-identifiers" } */ 5 6 /* Test lexing of identifiers. */ 7 8 /* Escaped newlines, _ and $ in identifiers. */ 9 #def\ 10 \ 11 ine foo_ 12 13 #d\ 14 ef??/ 15 in\ 16 e b\ 17 a$r 18 19 #ifndef foo_ 20 #error foo_ 21 #endif 22 23 #ifndef ba$r 24 #error ba$r 25 #endif 26