1 // RUN: %clang_cc1 -std=c++1y %s -verify
2
3 static_assert(0b1001 == 9, "");
4
5 using I = int;
6 using I = decltype(0b101001);
7 using ULL = unsigned long long;
8 using ULL = decltype(0b10101001ULL);
9
operator ""_foo(unsigned long long n)10 constexpr unsigned long long operator""_foo(unsigned long long n) {
11 return n * 2;
12 }
13 static_assert(0b10001111_foo == 286, "");
14
15 int 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.
18 int k2 = 0b10010f; // expected-error {{invalid digit 'f' in binary constant}}
19 int k3 = 0b10010g; // expected-error {{invalid suffix 'g' on integer constant}}
20 int k4 = 0b; // expected-error {{invalid digit 'b' in octal constant}}
21