forked from OSchip/llvm-project
64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
// RUN: %clang_cc1 -std=c++11 -verify %s
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// Per a core issue (no number yet), an ellipsis is always dropped.
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struct A {
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A(...); // expected-note {{here}}
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A(int = 0, int = 0, int = 0, int = 0, ...); // expected-note 9{{here}} expected-note 2{{constructor cannot be inherited}}
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A(int = 0, int = 0, ...); // expected-note {{here}}
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template<typename T> A(T, int = 0, ...); // expected-note 5{{here}}
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template<typename T, int N> A(const T (&)[N]); // expected-note 2{{here}} expected-note {{constructor cannot be inherited}}
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template<typename T, int N> A(const T (&)[N], int = 0); // expected-note 2{{here}}
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};
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struct B : A { // expected-note 6{{candidate}}
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using A::A; // expected-warning 4{{inheriting constructor does not inherit ellipsis}} expected-note 16{{candidate}} expected-note 3{{deleted constructor was inherited here}}
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};
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struct C {} c;
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B b0{};
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// expected-error@-1 {{call to implicitly-deleted default constructor of 'B'}}
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// expected-note@-8 {{default constructor of 'B' is implicitly deleted because base class 'A' has multiple default constructors}}
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B b1{1};
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// expected-error@-1 {{call to deleted constructor of 'B'}}
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B b2{1,2};
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// expected-error@-1 {{call to deleted constructor of 'B'}}
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B b3{1,2,3};
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// ok
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B b4{1,2,3,4};
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// ok
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B b5{1,2,3,4,5};
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// expected-error@-1 {{no matching constructor for initialization of 'B'}}
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B b6{c};
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// ok
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B b7{c,0};
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// ok
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B b8{c,0,1};
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// expected-error@-1 {{no matching constructor}}
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B b9{"foo"};
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// FIXME: explain why the inheriting constructor was deleted
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// expected-error@-2 {{call to deleted constructor of 'B'}}
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namespace PR15755 {
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struct X {
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template<typename...Ts> X(int, Ts...);
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};
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struct Y : X {
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using X::X;
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};
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struct Z : Y {
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using Y::Y;
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};
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Z z(0);
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}
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