1*67e74705SXin Li // RUN: %clang_cc1 -std=c++1y %s -verify 2*67e74705SXin Li 3*67e74705SXin Li static_assert(0b1001 == 9, ""); 4*67e74705SXin Li 5*67e74705SXin Li using I = int; 6*67e74705SXin Li using I = decltype(0b101001); 7*67e74705SXin Li using ULL = unsigned long long; 8*67e74705SXin Li using ULL = decltype(0b10101001ULL); 9*67e74705SXin Li operator ""_foo(unsigned long long n)10*67e74705SXin Liconstexpr unsigned long long operator""_foo(unsigned long long n) { 11*67e74705SXin Li return n * 2; 12*67e74705SXin Li } 13*67e74705SXin Li static_assert(0b10001111_foo == 286, ""); 14*67e74705SXin Li 15*67e74705SXin Li int k1 = 0b1234; // expected-error {{invalid digit '2' in binary constant}} 16*67e74705SXin Li // FIXME: If we ever need to support a standard suffix starting with [a-f], 17*67e74705SXin Li // we'll need to rework our binary literal parsing rules. 18*67e74705SXin Li int k2 = 0b10010f; // expected-error {{invalid digit 'f' in binary constant}} 19*67e74705SXin Li int k3 = 0b10010g; // expected-error {{invalid suffix 'g' on integer constant}} 20*67e74705SXin Li int k4 = 0b; // expected-error {{invalid digit 'b' in octal constant}} 21