1/* Copyright (C) 2001 Free Software Foundation, Inc. */ 2 3/* { dg-do compile } */ 4/* { dg-options "-Wtraditional -std=c89" } */ 5 6/* This tests various diagnostics with -Wtraditioanl about escape 7 sequences, for both the preprocessor and the compiler. 8 9 Neil Booth, 22 May 2001. */ 10 11#if '\a' /* { dg-warning "traditional" "traditional bell" } */ 12#endif 13#if '\x1a' != 26 /* { dg-warning "traditional" "traditional hex" } */ 14 #error bad hex /* { dg-bogus "bad" "bad hexadecimal evaluation" } */ 15#endif 16#if L'\u00a1' /* { dg-warning "only valid" "\u is unknown in C89" } */ 17#endif 18 19void foo () 20{ 21 int c = '\a'; /* { dg-warning "traditional" "traditional bell" } */ 22 23 c = '\xa1'; /* { dg-warning "traditional" "traditional hex" } */ 24 c = L'\u00a1'; /* { dg-warning "only valid" "\u is unknown in C89" } */ 25} 26