for-range-no-std.cpp revision 7640c0070361bd365e30fc2eb3b6a64361fa7377 
1// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++0x
2// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++98 -Wno-c++0x-extensions
3
4struct S {
5  int *begin();
6  int *end();
7};
8
9struct T {
10};
11
12struct Range {};
13int begin(Range); // expected-note {{not viable}}
14int end(Range);
15
16namespace NS {
17  struct ADL {};
18  struct iter {
19    int operator*();
20    bool operator!=(iter);
21    void operator++();
22  };
23  iter begin(ADL); // expected-note {{not viable}}
24  iter end(ADL);
25
26  struct NoADL {};
27}
28NS::iter begin(NS::NoADL); // expected-note {{not viable}}
29NS::iter end(NS::NoADL);
30
31void f() {
32  int a[] = {1, 2, 3};
33  for (auto b : S()) {} // ok
34  for (auto b : T()) {} // expected-error {{no matching function for call to 'begin'}} expected-note {{range has type}}
35  for (auto b : a) {} // ok
36  for (int b : NS::ADL()) {} // ok
37  for (int b : NS::NoADL()) {} // expected-error {{no matching function for call to 'begin'}} expected-note {{range has type}}
38}
39