81 lines
4.1 KiB
C++
81 lines
4.1 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -std=c++1y -DCXX1Y -Wc++98-compat-pedantic -verify %s -DCXX1Y2
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// RUN: %clang_cc1 -fsyntax-only -std=c++1y -DCXX1Y -Wc++98-compat -Werror %s -DCXX1Y2
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// RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat-pedantic -verify %s
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// RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat -Werror %s
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// RUN: %clang_cc1 -fsyntax-only -std=c++98 -Werror %s -DCXX98
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// RUN: %clang_cc1 -fsyntax-only -std=c++1y -Wc++98-compat-pedantic -verify %s -Wno-c++98-c++11-compat-pedantic -DCXX1Y2
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// -Wc++98-compat-pedantic warns on C++11 features which we accept without a
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// warning in C++98 mode.
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#line 32767 // ok
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#line 32768 // expected-warning {{#line number greater than 32767 is incompatible with C++98}}
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#define VA_MACRO(x, ...) x // expected-warning {{variadic macros are incompatible with C++98}}
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VA_MACRO(,x) // expected-warning {{empty macro arguments are incompatible with C++98}}
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; // expected-warning {{extra ';' outside of a function is incompatible with C++98}}
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enum Enum {
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Enum_value, // expected-warning {{commas at the end of enumerator lists are incompatible with C++98}}
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};
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template<typename T> struct InstantiationAfterSpecialization {};
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template<> struct InstantiationAfterSpecialization<int> {}; // expected-note {{here}}
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template struct InstantiationAfterSpecialization<int>; // expected-warning {{explicit instantiation of 'InstantiationAfterSpecialization<int>' that occurs after an explicit specialization is incompatible with C++98}}
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void *dlsym();
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void (*FnPtr)() = (void(*)())dlsym(); // expected-warning {{cast between pointer-to-function and pointer-to-object is incompatible with C++98}}
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void *FnVoidPtr = (void*)&dlsym; // expected-warning {{cast between pointer-to-function and pointer-to-object is incompatible with C++98}}
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struct ConvertToInt {
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operator int();
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};
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int *ArraySizeConversion = new int[ConvertToInt()];
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#ifdef CXX1Y2
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// expected-warning@-2 {{implicit conversion from array size expression of type 'ConvertToInt' to integral type 'size_t' is incompatible with C++98}}
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#else
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// expected-warning@-4 {{implicit conversion from array size expression of type 'ConvertToInt' to integral type 'int' is incompatible with C++98}}
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#endif
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template<typename T> class ExternTemplate {};
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extern template class ExternTemplate<int>; // expected-warning {{extern templates are incompatible with C++98}}
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long long ll1 = // expected-warning {{'long long' is incompatible with C++98}}
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-42LL; // expected-warning {{'long long' is incompatible with C++98}}
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unsigned long long ull1 = // expected-warning {{'long long' is incompatible with C++98}}
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42ULL; // expected-warning {{'long long' is incompatible with C++98}}
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int k = 0b1001;
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#ifdef CXX1Y
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// expected-warning@-2 {{binary integer literals are incompatible with C++ standards before C++14}}
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#endif
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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();
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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 {{implicitly deleted}}
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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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#if !CXX98
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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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#endif
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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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}
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