// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2170.html // { dg-do compile { target c++11 } } // { dg-options "" } int main() { "\u0041"; // 'A' UCN is OK in string literal '\u0041'; // also OK in character literal int c\u0041c; // { dg-error "not valid in an identifier" } // $ is OK on most targets; not part of basic source char set int c\u0024c; // { dg-error "not valid in an identifier" "" { target { { powerpc-ibm-aix* } || c++26 } } } U"\uD800"; // { dg-error "not a valid universal character" } U'\U00110000'; // { dg-warning "outside" "110000 outside UCS" { target c++2a } } }