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
44#else
45
46auto init_capture = [a(0)] {}; // expected-warning {{initialized lambda captures are incompatible with C++ standards before C++1y}}
47static_assert(true); // expected-warning {{incompatible with C++ standards before C++1z}}
48
49#endif
50