1 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -emit-pch %s -o %t
2 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t -verify %s
3
4 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -emit-pch -fpch-instantiate-templates %s -o %t
5 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t -verify %s
6
7 #ifndef HEADER_INCLUDED
8
9 #define HEADER_INCLUDED
10
11 using size_t = decltype(sizeof(int));
12 int operator"" _foo(const char *p, size_t);
13
f(T t)14 template<typename T> auto f(T t) -> decltype(t + ""_foo) { return 0; }
15
16 #else
17
18 int j = ""_foo;
19 int k = f(0);
20 int *l = f(&k);
21 struct S {};
22 int m = f(S()); // expected-error {{no matching}}
23 // expected-note@14 {{substitution failure}}
24
25 #endif
26