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      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 
      6 namespace 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 }
     12 using namespace N;
     13 template void f<char>(char); // expected-warning {{explicit instantiation of 'N::f' must occur in namespace 'N'}}
     14 
     15 template<typename T> void g(T) {} // expected-note 2{{here}}
     16 namespace 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 
     21 template inline void g<double>(double); // expected-warning {{explicit instantiation cannot be 'inline'}}
     22 
     23 void g() {
     24   auto int n = 0; // expected-warning {{'auto' storage class specifier is redundant and incompatible with C++11}}
     25 }
     26 
     27 int n;
     28 struct S {
     29   char c;
     30 }
     31 s = { n }, // expected-warning {{non-constant-expression cannot be narrowed from type 'int' to 'char' in initializer list in C++11}} expected-note {{explicit cast}}
     32 t = { 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"
     35 int printf(const char *, ...);
     36 typedef __typeof(sizeof(int)) size_t;
     37 void 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
     42 char c = 'x'_x; // expected-warning {{will be treated as a user-defined literal suffix}}
     43 
     44 #else
     45 
     46 auto init_capture = [a(0)] {}; // expected-warning {{initialized lambda captures are incompatible with C++ standards before C++1y}}
     47 static_assert(true); // expected-warning {{incompatible with C++ standards before C++1z}}
     48 
     49 #endif
     50