1 // RUN: %clang_cc1 -fsyntax-only -std=c++98 -Wc++11-compat -verify %s
2
3 namespace N {
f(T)4 template<typename T> void f(T) {} // expected-note 2{{here}}
5 namespace M {
6 template void ::N::f<int>(int); // expected-warning {{explicit instantiation of 'f' not in a namespace enclosing 'N'}}
7 }
8 }
9 using namespace N;
10 template void f<char>(char); // expected-warning {{explicit instantiation of 'N::f' must occur in namespace 'N'}}
11
g(T)12 template<typename T> void g(T) {} // expected-note 2{{here}}
13 namespace M {
14 template void g<int>(int); // expected-warning {{explicit instantiation of 'g' must occur at global scope}}
15 template void ::g<char>(char); // expected-warning {{explicit instantiation of 'g' must occur at global scope}}
16 }
17
18 template inline void g<double>(double); // expected-warning {{explicit instantiation cannot be 'inline'}}
19
g()20 void g() {
21 auto int n = 0; // expected-warning {{'auto' storage class specifier is redundant and incompatible with C++11}}
22 }
23
24 int n;
25 struct S {
26 char c;
27 }
28 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}}
29 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}}
30
31 #define PRIuS "uS"
32 int printf(const char *, ...);
33 typedef __typeof(sizeof(int)) size_t;
h(size_t foo,size_t bar)34 void h(size_t foo, size_t bar) {
35 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}}
36 }
37
38 #define _x + 1
39 char c = 'x'_x; // expected-warning {{will be treated as a user-defined literal suffix}}
40