1 // RUN: rm -rf %t
2 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x c++ -I%S/Inputs/merge-using-decls -verify %s -DORDER=1
3 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x c++ -I%S/Inputs/merge-using-decls -verify %s -DORDER=2
4
5 #if ORDER == 1
6 #include "a.h"
7 #include "b.h"
8 #else
9 #include "b.h"
10 #include "a.h"
11 #endif
12
13 struct Y {
14 int value; // expected-note 0-1{{target of using}}
15 typedef int type; // expected-note 0-1{{target of using}}
16 };
17
Use()18 template<typename T> int Use() {
19 int k = T().v + T().value; // expected-note 0-2{{instantiation of}}
20 typedef typename T::type I;
21 typedef typename T::t I;
22 typedef int I;
23 return k;
24 }
25
UseAll()26 template<typename T> int UseAll() {
27 return Use<C<T> >() + Use<D<T> >() + Use<E<T> >() + Use<F<T> >(); // expected-note 0-2{{instantiation of}}
28 }
29
30 template int UseAll<YA>();
31 template int UseAll<YB>();
32 template int UseAll<Y>();
33
34 // Which of these two sets of diagnostics is chosen is not important. It's OK
35 // if this varies with ORDER, but it must be consistent across runs.
36 #if ORDER == 1
37 // Here, we're instantiating the definition from 'A' and merging the definition
38 // from 'B' into it.
39
40 // expected-error@b.h:* {{'E::value' from module 'B' is not present in definition of 'E<T>' in module 'A'}}
41 // expected-error@b.h:* {{'E::v' from module 'B' is not present in definition of 'E<T>' in module 'A'}}
42
43 // expected-error@b.h:* {{'F::type' from module 'B' is not present in definition of 'F<T>' in module 'A'}}
44 // expected-error@b.h:* {{'F::t' from module 'B' is not present in definition of 'F<T>' in module 'A'}}
45 // expected-error@b.h:* {{'F::value' from module 'B' is not present in definition of 'F<T>' in module 'A'}}
46 // expected-error@b.h:* {{'F::v' from module 'B' is not present in definition of 'F<T>' in module 'A'}}
47
48 // expected-note@a.h:* +{{does not match}}
49 #else
50 // Here, we're instantiating the definition from 'B' and merging the definition
51 // from 'A' into it.
52
53 // expected-error@a.h:* {{'D::type' from module 'A' is not present in definition of 'D<T>' in module 'B'}}
54 // expected-error@a.h:* {{'D::value' from module 'A' is not present in definition of 'D<T>' in module 'B'}}
55 // expected-error@b.h:* 2{{'typename' keyword used on a non-type}}
56 // expected-error@b.h:* 2{{dependent using declaration resolved to type without 'typename'}}
57
58 // expected-error@a.h:* {{'E::type' from module 'A' is not present in definition of 'E<T>' in module 'B'}}
59 // expected-error@a.h:* {{'E::t' from module 'A' is not present in definition of 'E<T>' in module 'B'}}
60 // expected-error@a.h:* {{'E::value' from module 'A' is not present in definition of 'E<T>' in module 'B'}}
61 // expected-error@a.h:* {{'E::v' from module 'A' is not present in definition of 'E<T>' in module 'B'}}
62 // expected-note@b.h:* 2{{definition has no member}}
63
64 // expected-error@a.h:* {{'F::type' from module 'A' is not present in definition of 'F<T>' in module 'B'}}
65 // expected-error@a.h:* {{'F::t' from module 'A' is not present in definition of 'F<T>' in module 'B'}}
66 // expected-error@a.h:* {{'F::value' from module 'A' is not present in definition of 'F<T>' in module 'B'}}
67 // expected-error@a.h:* {{'F::v' from module 'A' is not present in definition of 'F<T>' in module 'B'}}
68
69 // expected-note@b.h:* +{{does not match}}
70 // expected-note@b.h:* +{{target of using}}
71 #endif
72