1// RUN: %clang_cc1 %s -fsyntax-only -std=c99 -verify 2// RUN: %clang_cc1 %s -fsyntax-only -std=c11 -Wc99-compat -verify 3// RUN: %clang_cc1 %s -fsyntax-only -x c++ -std=c++03 -Wc++11-compat -verify 4// RUN: %clang_cc1 %s -fsyntax-only -x c++ -std=c++11 -Wc++98-compat -verify 5 6// Note: This file contains Unicode characters; please do not remove them! 7 8// Identifier characters 9extern char aǶ; // C11, C++11 10extern char aª; // C99, C11, C++11 11extern char a΄; // C++03, C11, C++11 12extern char a๐; // C99, C++03, C11, C++11 13extern char a﹅; // none 14extern char x̀; // C11, C++11. Note that this does not have a composed form. 15 16 17 18 19// Identifier initial characters 20extern char ๐; // C++03, C11, C++11 21extern char ̀; // disallowed initially in C11/C++11, always in C99/C++03 22 23 24 25 26 27 28 29 30#if __cplusplus 31# if __cplusplus >= 201103L 32// C++11 33// expected-warning@9 {{using this character in an identifier is incompatible with C++98}} 34// expected-warning@10 {{using this character in an identifier is incompatible with C++98}} 35// expected-error@13 {{non-ASCII characters are not allowed outside of literals and identifiers}} 36// expected-warning@14 {{using this character in an identifier is incompatible with C++98}} 37// expected-error@21 {{expected unqualified-id}} 38 39# else 40// C++03 41// expected-error@9 {{non-ASCII characters are not allowed outside of literals and identifiers}} 42// expected-error@10 {{non-ASCII characters are not allowed outside of literals and identifiers}} 43// expected-error@13 {{non-ASCII characters are not allowed outside of literals and identifiers}} 44// expected-error@14 {{non-ASCII characters are not allowed outside of literals and identifiers}} 45// expected-error@21 {{non-ASCII characters are not allowed outside of literals and identifiers}} expected-warning@21 {{declaration does not declare anything}} 46 47# endif 48#else 49# if __STDC_VERSION__ >= 201112L 50// C11 51// expected-warning@9 {{using this character in an identifier is incompatible with C99}} 52// expected-warning@11 {{using this character in an identifier is incompatible with C99}} 53// expected-error@13 {{non-ASCII characters are not allowed outside of literals and identifiers}} 54// expected-warning@14 {{using this character in an identifier is incompatible with C99}} 55// expected-warning@20 {{starting an identifier with this character is incompatible with C99}} 56// expected-error@21 {{expected identifier}} 57 58# else 59// C99 60// expected-error@9 {{non-ASCII characters are not allowed outside of literals and identifiers}} 61// expected-error@11 {{non-ASCII characters are not allowed outside of literals and identifiers}} 62// expected-error@13 {{non-ASCII characters are not allowed outside of literals and identifiers}} 63// expected-error@14 {{non-ASCII characters are not allowed outside of literals and identifiers}} 64// expected-error@20 {{expected identifier}} 65// expected-error@21 {{non-ASCII characters are not allowed outside of literals and identifiers}} expected-warning@21 {{declaration does not declare anything}} 66 67# endif 68#endif 69