20 struct Bar {  struct
21   Bar(Foo);
22   Bar(int);
37 //   int    <=> Bar
38 //   double  => Bar
39 //   Foo     => Bar
45 //   int => Bar
47 //   Bar => Bar
48 //   Bar => int
50 //   Foo => Bar
54 //   double => Bar
57 //   Foo => Bar
59 //   Bar => Bar
60 //   Bar => int
65   Container<Bar&> bar_container;  in test0()
75   for (const Bar x : bar_container) {}  in test0()
76 … expected-warning@-1 {{loop variable 'x' of type 'const Bar' creates a copy from type 'const Bar'}}  in test0()
77   // expected-note@-2 {{use reference type 'const Bar &' to prevent copying}}  in test0()
103   for (const Bar &x : A) {}  in test1()
105   // expected-note@-2 {{'Bar'}}  in test1()
106   for (const Bar x : A) {}  in test1()
108   //for (Bar &x : A) {}  in test1()
110   for (Bar x : A) {}  in test1()
135   for (const Bar &x : B) {}  in test2()
137   // expected-note@-2 {{'Bar'}}  in test2()
138   for (const Bar x : B) {}  in test2()
139   //for (Bar &x : B) {}  in test2()
141   for (Bar x : B) {}  in test2()
146   Container<Bar> C;  in test3()
148   for (const Bar &x : C) {}  in test3()
150   // expected-note@-2 {{'Bar'}}  in test3()
151   for (const Bar x : C) {}  in test3()
153   //for (Bar &x : C) {}  in test3()
155   for (Bar x : C) {}  in test3()
170   Container<Bar&> D;  in test4()
172   for (const Bar &x : D) {}  in test4()
174   for (const Bar x : D) {}  in test4()
176   // expected-note@-2 {{'const Bar &'}}  in test4()
177   for (Bar &x : D) {}  in test4()
179   for (Bar x : D) {}  in test4()
184   // expected-note-re@-2 {{'int'{{.*}}'const Bar &'}}  in test4()
196   for (const Bar &x : E) {}  in test5()
198   // expected-note@-2 {{'Bar'}}  in test5()
199   for (const Bar x : E) {}  in test5()
201   //for (Bar &x : E) {}  in test5()
203   for (Bar x : E) {}  in test5()
210   for (const Bar &x : F) {}  in test6()
212   // expected-note-re@-2 {{'Bar'{{.*}}'const Foo &'}}  in test6()
213   for (const Bar x : F) {}  in test6()
215   //for (Bar &x : F) {}  in test6()
217   for (Bar x : F) {}  in test6()
243   for (const Bar &x : G) {}  in test7()
245   // expected-note-re@-2 {{'Bar'{{.*}}'const double &'}}  in test7()
246   for (const Bar x : G) {}  in test7()
248   //for (int &Bar : G) {}  in test7()
250   for (int Bar : G) {}  in test7()  local
266   for (const Bar &x : H) {}  in test8()
268   // expected-note-re@-2 {{'Bar'{{.*}}'const Foo &'}}  in test8()
269   for (const Bar x : H) {}  in test8()
271   //for (Bar &x: H) {}  in test8()
273   for (Bar x: H) {}  in test8()
278   Bar I[2] = {1,2};  in test9()
280   for (const Bar &x : I) {}  in test9()
282   for (const Bar x : I) {}  in test9()
284   // expected-note@-2 {{'const Bar &'}}  in test9()
285   for (Bar &x : I) {}  in test9()
287   for (Bar x : I) {}  in test9()
292   // expected-note-re@-2 {{'int'{{.*}}'const Bar &'}}  in test9()