forked from OSchip/llvm-project
113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -fcxx-exceptions -verify -std=c++11 -Wall %s
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struct Bitfield {
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int n : 3 = 7; // expected-error {{bitfield member cannot have an in-class initializer}}
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};
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int a;
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class NoWarning {
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int &n = a;
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public:
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int &GetN() { return n; }
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};
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bool b();
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int k;
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struct Recurse {
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int &n = b() ? Recurse().n : k; // expected-error {{defaulted default constructor of 'Recurse' cannot be used by non-static data member initializer which appears before end of class definition}}
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};
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struct UnknownBound {
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int as[] = { 1, 2, 3 }; // expected-error {{array bound cannot be deduced from an in-class initializer}}
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int bs[4] = { 4, 5, 6, 7 };
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int cs[] = { 8, 9, 10 }; // expected-error {{array bound cannot be deduced from an in-class initializer}}
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};
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template<int n> struct T { static const int B; };
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template<> struct T<2> { template<int C, int D> using B = int; };
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const int C = 0, D = 0;
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struct S {
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int as[] = { decltype(x)::B<C, D>(0) }; // expected-error {{array bound cannot be deduced from an in-class initializer}}
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T<sizeof(as) / sizeof(int)> x;
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// test that we handle invalid array bound deductions without crashing when the declarator name is itself invalid
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operator int[](){}; // expected-error {{'operator int' cannot be the name of a variable or data member}} \
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// expected-error {{array bound cannot be deduced from an in-class initializer}}
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};
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struct ThrowCtor { ThrowCtor(int) noexcept(false); };
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struct NoThrowCtor { NoThrowCtor(int) noexcept(true); };
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struct Throw { ThrowCtor tc = 42; };
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struct NoThrow { NoThrowCtor tc = 42; };
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static_assert(!noexcept(Throw()), "incorrect exception specification");
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static_assert(noexcept(NoThrow()), "incorrect exception specification");
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struct CheckExcSpec {
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CheckExcSpec() noexcept(true) = default;
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int n = 0;
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};
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struct CheckExcSpecFail {
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CheckExcSpecFail() noexcept(true) = default; // expected-error {{exception specification of explicitly defaulted default constructor does not match the calculated one}}
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ThrowCtor tc = 123;
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};
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struct TypedefInit {
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typedef int A = 0; // expected-error {{illegal initializer}}
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};
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// PR10578 / <rdar://problem/9877267>
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namespace PR10578 {
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template<typename T>
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struct X {
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X() {
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T* x = 1; // expected-error{{cannot initialize a variable of type 'int *' with an rvalue of type 'int'}}
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}
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};
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struct Y : X<int> {
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Y();
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};
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Y::Y() try { // expected-note{{in instantiation of member function 'PR10578::X<int>::X' requested here}}
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} catch(...) {
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}
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}
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namespace PR14838 {
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struct base { ~base() {} };
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class function : base {
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~function() {} // expected-note {{implicitly declared private here}}
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public:
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function(...) {}
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};
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struct thing {};
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struct another {
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another() : r(thing()) {}
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// expected-error@-1 {{temporary of type 'const PR14838::function' has private destructor}}
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// expected-warning@-2 {{binding reference member 'r' to a temporary value}}
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const function &r; // expected-note {{reference member declared here}}
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} af;
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}
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namespace rdar14084171 {
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struct Point { // expected-note 3 {{candidate constructor}}
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double x;
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double y;
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};
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struct Sprite {
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Point location = Point(0,0); // expected-error {{no matching constructor for initialization of 'rdar14084171::Point'}}
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};
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void f(Sprite& x) { x = x; }
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}
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namespace PR18560 {
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struct X { int m; };
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template<typename T = X,
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typename U = decltype(T::m)>
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int f();
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struct Y { int b = f(); };
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}
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