1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 // This file contains literal null characters, be careful not to remove them 4 // accidentally. 5 6 char a = ''; // expected-warning {{null character(s) preserved in char literal}} 7 char b = '\'; // expected-warning {{null character(s) preserved in char literal}} 8 // expected-warning@-1 {{unknown escape sequence '\x0'}} 9 10 char *c = "nullcharacter"; // expected-warning {{null character(s) preserved in string literal}} 11 char *d = "null\character"; // expected-warning {{null character(s) preserved in string literal}} 12 // expected-warning@-1 {{unknown escape sequence '\x0'}} 13 14 // Put broken include in the end because it suppresses subsequent warnings. 15 #include <null\ character> // expected-warning {{null character(s) preserved in string literal}} 16 // expected-error@-1 {{'null\character' file not found}} 17