77 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -std=c++1y -DCXX1Y -Wc++98-compat-pedantic -verify %s -DCXX1Y22// RUN: %clang_cc1 -fsyntax-only -std=c++1y -DCXX1Y -Wc++98-compat -Werror %s -DCXX1Y23// RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat-pedantic -verify %s4// RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat -Werror %s5// RUN: %clang_cc1 -fsyntax-only -std=c++98 -Werror %s -DCXX986 7// RUN: %clang_cc1 -fsyntax-only -std=c++1y -Wc++98-compat-pedantic -verify %s -Wno-pre-c++14-compat-pedantic -DCXX1Y28 9// -Wc++98-compat-pedantic warns on C++11 features which we accept without a10// warning in C++98 mode.11 12#line 32767 // ok13#line 32768 // expected-warning {{#line number greater than 32767 is incompatible with C++98}}14 15#define VA_MACRO(x, ...) x // expected-warning {{variadic macros are incompatible with C++98}}16VA_MACRO(,x) // expected-warning {{empty macro arguments are incompatible with C++98}}17 18; // expected-warning {{extra ';' outside of a function is incompatible with C++98}}19 20enum Enum {21 Enum_value, // expected-warning {{commas at the end of enumerator lists are incompatible with C++98}}22};23 24void *dlsym();25void (*FnPtr)() = (void(*)())dlsym(); // expected-warning {{cast between pointer-to-function and pointer-to-object is incompatible with C++98}}26void *FnVoidPtr = (void*)&dlsym; // expected-warning {{cast between pointer-to-function and pointer-to-object is incompatible with C++98}}27 28struct ConvertToInt {29 operator int();30};31int *ArraySizeConversion = new int[ConvertToInt()];32#ifdef CXX1Y233// expected-warning@-2 {{implicit conversion from array size expression of type 'ConvertToInt' to integral type 'size_t' is incompatible with C++98}}34#else35// expected-warning@-4 {{implicit conversion from array size expression of type 'ConvertToInt' to integral type 'int' is incompatible with C++98}}36#endif37 38template<typename T> class ExternTemplate {};39extern template class ExternTemplate<int>; // expected-warning {{extern templates are incompatible with C++98}}40 41long long ll1 = // expected-warning {{'long long' is incompatible with C++98}}42 -42LL; // expected-warning {{'long long' is incompatible with C++98}}43unsigned long long ull1 = // expected-warning {{'long long' is incompatible with C++98}}44 42ULL; // expected-warning {{'long long' is incompatible with C++98}}45 46int k = 0b1001;47#ifdef CXX1Y48// expected-warning@-2 {{binary integer literals are incompatible with C++ standards before C++14}}49#endif50 51namespace CopyCtorIssues {52 struct Private {53 Private();54 private:55 Private(const Private&); // expected-note {{declared private here}}56 };57 struct NoViable {58 NoViable(); // expected-note {{not viable}}59 NoViable(NoViable&); // expected-note {{not viable}}60 };61 struct Ambiguous {62 Ambiguous();63 Ambiguous(const Ambiguous &, int = 0); // expected-note {{candidate}}64 Ambiguous(const Ambiguous &, double = 0); // expected-note {{candidate}}65 };66 struct Deleted {67 Private p; // expected-note {{implicitly deleted}}68 };69 70 const Private &a = Private(); // expected-warning {{copying variable of type 'Private' when binding a reference to a temporary would invoke an inaccessible constructor in C++98}}71 const NoViable &b = NoViable(); // expected-warning {{copying variable of type 'NoViable' when binding a reference to a temporary would find no viable constructor in C++98}}72#if !CXX9873 const Ambiguous &c = Ambiguous(); // expected-warning {{copying variable of type 'Ambiguous' when binding a reference to a temporary would find ambiguous constructors in C++98}}74#endif75 const Deleted &d = Deleted(); // expected-warning {{copying variable of type 'Deleted' when binding a reference to a temporary would invoke a deleted constructor in C++98}}76}77