1 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
2 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++98 -Wno-c++11-extensions
3 
4 struct S {
5   int *begin();
6   int *end();
7 };
8 
9 struct T {
10 };
11 
12 struct Range {};
13 int begin(Range); // expected-note {{not viable}}
14 int end(Range);
15 
16 namespace 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 }
28 NS::iter begin(NS::NoADL); // expected-note {{not viable}}
29 NS::iter end(NS::NoADL);
30 
31 void f() {
32   int a[] = {1, 2, 3};
33   for (auto b : S()) {} // ok
34   for (auto b : T()) {} // expected-error {{invalid range expression of type 'T'}}
35   for (auto b : a) {} // ok
36   for (int b : NS::ADL()) {} // ok
37   for (int b : NS::NoADL()) {} // expected-error {{invalid range expression of type 'NS::NoADL'}}
38 }
39 
40 void PR11601() {
41   void (*vv[])() = {PR11601, PR11601, PR11601};
42   for (void (*i)() : vv) i();
43 }
44