38 lines
2.2 KiB
C++
38 lines
2.2 KiB
C++
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// RUN: %clang_cc1 -fsyntax-only -std=c++17 -Wc++98-compat-pedantic -verify %s
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// RUN: %clang_cc1 -fsyntax-only -std=c++17 -Wc++98-compat-pedantic -Wno-bind-to-temporary-copy -Wno-unnamed-type-template-args -Wno-local-type-template-args -Wno-binary-literal -Werror %s
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template<typename T> int TemplateFn(T) { return 0; }
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void LocalTemplateArg() {
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struct S {};
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TemplateFn(S()); // expected-warning {{local type 'S' as template argument is incompatible with C++98}}
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}
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struct {} obj_of_unnamed_type; // expected-note {{here}}
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int UnnamedTemplateArg = TemplateFn(obj_of_unnamed_type); // expected-warning {{unnamed type as template argument is incompatible with C++98}}
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namespace CopyCtorIssues {
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struct Private {
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Private();
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private:
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Private(const Private&); // expected-note {{declared private here}}
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};
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struct NoViable {
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NoViable(); // expected-note {{not viable}}
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NoViable(NoViable&); // expected-note {{not viable}}
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};
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struct Ambiguous {
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Ambiguous();
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Ambiguous(const Ambiguous &, int = 0); // expected-note {{candidate}}
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Ambiguous(const Ambiguous &, double = 0); // expected-note {{candidate}}
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};
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struct Deleted {
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Private p; // expected-note {{copy constructor of 'Deleted' is implicitly deleted because field 'p' has an inaccessible copy constructor}}
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};
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const Private &a = Private(); // expected-warning {{copying variable of type 'CopyCtorIssues::Private' when binding a reference to a temporary would invoke an inaccessible constructor in C++98}}
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const NoViable &b = NoViable(); // expected-warning {{copying variable of type 'CopyCtorIssues::NoViable' when binding a reference to a temporary would find no viable constructor in C++98}}
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const Ambiguous &c = Ambiguous(); // expected-warning {{copying variable of type 'CopyCtorIssues::Ambiguous' when binding a reference to a temporary would find ambiguous constructors in C++98}}
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const Deleted &d = Deleted(); // expected-warning {{copying variable of type 'CopyCtorIssues::Deleted' when binding a reference to a temporary would invoke a deleted constructor in C++98}}
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int n = 0b00100101001; // expected-warning {{binary integer literals are incompatible with C++ standards before C++14}}
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}
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