clang/test/CXX/dcl.dcl/p4-0x.cpp

   1 // RUN: %clang_cc1 -std=c++11 -verify -fsyntax-only %s
   2
   3 struct S {
   4   constexpr S(bool b) : b(b) {}
   5   constexpr explicit operator bool() const { return b; }
   6   bool b;
   7 };
   8 struct T {
   9   constexpr operator int() const { return 1; }
  10 };
  11 struct U {
  12   constexpr operator int() const { return 1; } // expected-note {{candidate}}
  13   constexpr operator long() const { return 0; } // expected-note {{candidate}}
  14 };
  15
  16 static_assert(S(true), "");
  17 static_assert(S(false), "not so fast"); // expected-error {{not so fast}}
  18 static_assert(T(), "");
  19 static_assert(U(), ""); // expected-error {{ambiguous}}
  20
  21 static_assert(false, L"\x14hi" // expected-warning {{encoding prefix 'L' on an unevaluated string literal has no effect and is incompatible with c++2c}} \
  22                                // expected-error {{invalid escape sequence '\x14' in an unevaluated string literal}}
  23                      "!"
  24                      R"x(")x");