21 lines · cpp
1// RUN: %clang_cc1 -std=c++1y %s -verify2 3static_assert(0b1001 == 9, "");4 5using I = int;6using I = decltype(0b101001);7using ULL = unsigned long long;8using ULL = decltype(0b10101001ULL);9 10constexpr unsigned long long operator""_foo(unsigned long long n) {11 return n * 2;12}13static_assert(0b10001111_foo == 286, "");14 15int k1 = 0b1234; // expected-error {{invalid digit '2' in binary constant}}16// FIXME: If we ever need to support a standard suffix starting with [a-f],17// we'll need to rework our binary literal parsing rules.18int k2 = 0b10010f; // expected-error {{invalid digit 'f' in binary constant}}19int k3 = 0b10010g; // expected-error {{invalid suffix 'g' on integer constant}}20int k4 = 0b; // expected-error {{invalid digit 'b' in octal constant}}21