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      1 // RUN: %clang_cc1 -fsyntax-only -fcxx-exceptions -verify -std=c++0x -Wall %s
      2 
      3 struct Bitfield {
      4   int n : 3 = 7; // expected-error {{bitfield member cannot have an in-class initializer}}
      5 };
      6 
      7 int a;
      8 class NoWarning {
      9   int &n = a;
     10 public:
     11   int &GetN() { return n; }
     12 };
     13 
     14 bool b();
     15 int k;
     16 struct Recurse {
     17   int &n = b() ? Recurse().n : k; // ok
     18 };
     19 
     20 struct UnknownBound {
     21   int as[] = { 1, 2, 3 }; // expected-error {{array bound cannot be deduced from an in-class initializer}}
     22   int bs[4] = { 4, 5, 6, 7 };
     23   int cs[] = { 8, 9, 10 }; // expected-error {{array bound cannot be deduced from an in-class initializer}}
     24 };
     25 
     26 template<int n> struct T { static const int B; };
     27 template<> struct T<2> { template<int C, int D> using B = int; };
     28 const int C = 0, D = 0;
     29 struct S {
     30   int as[] = { decltype(x)::B<C, D>(0) }; // expected-error {{array bound cannot be deduced from an in-class initializer}}
     31   T<sizeof(as) / sizeof(int)> x; // expected-error {{requires a type specifier}}
     32 };
     33 
     34 struct ThrowCtor { ThrowCtor(int) noexcept(false); };
     35 struct NoThrowCtor { NoThrowCtor(int) noexcept(true); };
     36 
     37 struct Throw { ThrowCtor tc = 42; };
     38 struct NoThrow { NoThrowCtor tc = 42; };
     39 
     40 static_assert(!noexcept(Throw()), "incorrect exception specification");
     41 static_assert(noexcept(NoThrow()), "incorrect exception specification");
     42 
     43 struct CheckExcSpec {
     44   CheckExcSpec() noexcept(true) = default;
     45   int n = 0;
     46 };
     47 struct CheckExcSpecFail {
     48   CheckExcSpecFail() noexcept(true) = default; // expected-error {{exception specification of explicitly defaulted default constructor does not match the calculated one}}
     49   ThrowCtor tc = 123;
     50 };
     51 
     52 struct TypedefInit {
     53   typedef int A = 0; // expected-error {{illegal initializer}}
     54 };
     55