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