| 1 | // RUN: %clang_cc1 -fsyntax-only -std=c++17 -Wc++98-compat-pedantic -verify %s |
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| 2 | // 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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| 3 | |
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| 4 | template<typename T> int TemplateFn(T) { return 0; } |
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| 5 | void LocalTemplateArg() { |
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| 6 | struct S {}; |
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| 7 | TemplateFn(S()); // expected-warning {{local type 'S' as template argument is incompatible with C++98}} |
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| 8 | } |
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| 9 | struct {} obj_of_unnamed_type; // expected-note {{here}} |
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| 10 | int UnnamedTemplateArg = TemplateFn(obj_of_unnamed_type); // expected-warning {{unnamed type as template argument is incompatible with C++98}} |
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| 11 | |
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| 12 | namespace CopyCtorIssues { |
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| 13 | struct Private { |
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| 14 | Private(); |
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| 15 | private: |
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| 16 | Private(const Private&); // expected-note {{declared private here}} |
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| 17 | }; |
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| 18 | struct NoViable { |
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| 19 | NoViable(); // expected-note {{not viable}} |
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| 20 | NoViable(NoViable&); // expected-note {{not viable}} |
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| 21 | }; |
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| 22 | struct Ambiguous { |
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| 23 | Ambiguous(); |
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| 24 | Ambiguous(const Ambiguous &, int = 0); // expected-note {{candidate}} |
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| 25 | Ambiguous(const Ambiguous &, double = 0); // expected-note {{candidate}} |
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| 26 | }; |
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| 27 | struct Deleted { |
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| 28 | Private p; // expected-note {{copy constructor of 'Deleted' is implicitly deleted because field 'p' has an inaccessible copy constructor}} |
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| 29 | }; |
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| 30 | |
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| 31 | 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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| 32 | 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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| 33 | 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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| 34 | 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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| 35 | |
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| 36 | int n = 0b00100101001; // expected-warning {{binary integer literals are incompatible with C++ standards before C++14}} |
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| 37 | } |
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| 38 | |
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