forked from OSchip/llvm-project
153 lines
3.7 KiB
C++
153 lines
3.7 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++14 %s
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++1z %s
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// Verify that using an initializer list for a non-aggregate looks for
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// constructors..
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struct NonAggr1 { // expected-note 2 {{candidate constructor}}
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NonAggr1(int, int) { } // expected-note {{candidate constructor}}
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int m;
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};
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struct Base { };
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struct NonAggr2 : public Base { // expected-note 0-3 {{candidate constructor}}
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int m;
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};
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class NonAggr3 { // expected-note 3 {{candidate constructor}}
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int m;
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};
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struct NonAggr4 { // expected-note 3 {{candidate constructor}}
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int m;
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virtual void f();
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};
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NonAggr1 na1 = { 17 }; // expected-error{{no matching constructor for initialization of 'NonAggr1'}}
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NonAggr2 na2 = { 17 };
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NonAggr3 na3 = { 17 }; // expected-error{{no matching constructor for initialization of 'NonAggr3'}}
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NonAggr4 na4 = { 17 }; // expected-error{{no matching constructor for initialization of 'NonAggr4'}}
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#if __cplusplus <= 201402L
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// expected-error@-4{{no matching constructor for initialization of 'NonAggr2'}}
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#else
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// expected-error@-6{{requires explicit braces}}
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NonAggr2 na2b = { {}, 17 }; // ok
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#endif
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// PR5817
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typedef int type[][2];
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const type foo = {0};
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// Vector initialization.
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typedef short __v4hi __attribute__ ((__vector_size__ (8)));
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__v4hi v1 = { (void *)1, 2, 3 }; // expected-error {{cannot initialize a vector element of type 'short' with an rvalue of type 'void *'}}
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// Array initialization.
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int a[] = { (void *)1 }; // expected-error {{cannot initialize an array element of type 'int' with an rvalue of type 'void *'}}
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// Struct initialization.
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struct S { int a; } s = { (void *)1 }; // expected-error {{cannot initialize a member subobject of type 'int' with an rvalue of type 'void *'}}
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// Check that we're copy-initializing the structs.
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struct A {
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A();
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A(int);
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~A();
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A(const A&) = delete; // expected-note 0-2{{'A' has been explicitly marked deleted here}}
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};
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struct B {
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A a;
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};
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struct C {
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const A& a;
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};
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void f() {
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A as1[1] = { };
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A as2[1] = { 1 };
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#if __cplusplus <= 201402L
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// expected-error@-2 {{copying array element of type 'A' invokes deleted constructor}}
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#endif
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B b1 = { };
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B b2 = { 1 };
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#if __cplusplus <= 201402L
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// expected-error@-2 {{copying member subobject of type 'A' invokes deleted constructor}}
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#endif
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C c1 = { 1 };
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}
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class Agg {
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public:
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int i, j;
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};
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class AggAgg {
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public:
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Agg agg1;
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Agg agg2;
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};
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AggAgg aggagg = { 1, 2, 3, 4 };
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namespace diff_cpp14_dcl_init_aggr_example {
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struct derived;
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struct base {
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friend struct derived;
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private:
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base();
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};
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struct derived : base {};
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derived d1{};
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#if __cplusplus > 201402L
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// expected-error@-2 {{private}}
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// expected-note@-7 {{here}}
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#endif
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derived d2;
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}
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namespace ProtectedBaseCtor {
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// FIXME: It's unclear whether f() and g() should be valid in C++1z. What is
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// the object expression in a constructor call -- the base class subobject or
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// the complete object?
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struct A {
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protected:
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A();
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};
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struct B : public A {
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friend B f();
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friend B g();
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friend B h();
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};
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B f() { return {}; }
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#if __cplusplus > 201402L
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// expected-error@-2 {{protected default constructor}}
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// expected-note@-12 {{here}}
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#endif
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B g() { return {{}}; }
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#if __cplusplus <= 201402L
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// expected-error@-2 {{no matching constructor}}
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// expected-note@-15 3{{candidate}}
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#else
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// expected-error@-5 {{protected default constructor}}
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// expected-note@-21 {{here}}
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#endif
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B h() { return {A{}}; }
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#if __cplusplus <= 201402L
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// expected-error@-2 {{no matching constructor}}
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// expected-note@-24 3{{candidate}}
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#endif
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// expected-error@-5 {{protected constructor}}
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// expected-note@-30 {{here}}
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}
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