1// RUN: %clang_cc1 -fsyntax-only -std=c++98 -Wc++11-compat -verify %s 2// RUN: %clang_cc1 -fsyntax-only -std=c++1z -Wc++11-compat -verify %s 3 4#if __cplusplus < 201103L 5 6namespace N { 7 template<typename T> void f(T) {} // expected-note 2{{here}} 8 namespace M { 9 template void ::N::f<int>(int); // expected-warning {{explicit instantiation of 'f' not in a namespace enclosing 'N'}} 10 } 11} 12using namespace N; 13template void f<char>(char); // expected-warning {{explicit instantiation of 'N::f' must occur in namespace 'N'}} 14 15template<typename T> void g(T) {} // expected-note 2{{here}} 16namespace M { 17 template void g<int>(int); // expected-warning {{explicit instantiation of 'g' must occur at global scope}} 18 template void ::g<char>(char); // expected-warning {{explicit instantiation of 'g' must occur at global scope}} 19} 20 21template inline void g<double>(double); // expected-warning {{explicit instantiation cannot be 'inline'}} 22 23void g() { 24 auto int n = 0; // expected-warning {{'auto' storage class specifier is redundant and incompatible with C++11}} 25} 26 27int n; 28struct S { 29 char c; 30} 31s = { n }, // expected-warning {{non-constant-expression cannot be narrowed from type 'int' to 'char' in initializer list in C++11}} expected-note {{explicit cast}} 32t = { 1234 }; // expected-warning {{constant expression evaluates to 1234 which cannot be narrowed to type 'char' in C++11}} expected-warning {{changes value}} expected-note {{explicit cast}} 33 34#define PRIuS "uS" 35int printf(const char *, ...); 36typedef __typeof(sizeof(int)) size_t; 37void h(size_t foo, size_t bar) { 38 printf("foo is %"PRIuS", bar is %"PRIuS, foo, bar); // expected-warning 2{{identifier after literal will be treated as a reserved user-defined literal suffix in C++11}} 39} 40 41#define _x + 1 42char c = 'x'_x; // expected-warning {{will be treated as a user-defined literal suffix}} 43 44template<int ...N> int f() { // expected-warning {{C++11 extension}} 45 return (N + ...); // expected-warning {{C++1z extension}} 46} 47 48#else 49 50auto init_capture = [a(0)] {}; // expected-warning {{initialized lambda captures are incompatible with C++ standards before C++14}} 51static_assert(true); // expected-warning {{incompatible with C++ standards before C++1z}} 52 53template<int ...N> int f() { return (N + ...); } // expected-warning {{incompatible with C++ standards before C++1z}} 54 55#endif 56