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 -std=c++98 %s -DORDER=1 4 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x c++ -I%S/Inputs/merge-using-decls -verify -std=c++11 %s -DORDER=1 5 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x c++ -I%S/Inputs/merge-using-decls -verify -std=c++17 %s -DORDER=1 6 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x c++ -I%S/Inputs/merge-using-decls -verify %s -DORDER=2 7 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x c++ -I%S/Inputs/merge-using-decls -verify -std=c++98 %s -DORDER=2 8 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x c++ -I%S/Inputs/merge-using-decls -verify -std=c++11 %s -DORDER=2 9 10 // RUN: %clang_cc1 -fexperimental-new-constant-interpreter -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x c++ -I%S/Inputs/merge-using-decls -verify -std=c++17 %s -DORDER=2 11 // RUN: %clang_cc1 -fexperimental-new-constant-interpreter -fmodules -fimplicit-module-maps -fexperimental-new-constant-interpreter -fmodules-cache-path=%t -x c++ -I%S/Inputs/merge-using-decls -verify -std=c++98 %s -DORDER=1 12 13 #if ORDER == 1 14 #include "a.h" 15 #include "b.h" 16 #else 17 #include "b.h" 18 #include "a.h" 19 #endif 20 21 struct Y { 22 int value; // expected-note 0-1{{target of using}} 23 typedef int type; // expected-note 0-1{{target of using}} 24 }; 25 26 template<typename T> int Use() { 27 int k = T().v + T().value; // expected-note 0-2{{instantiation of}} 28 typedef typename T::type I; 29 typedef typename T::t I; 30 typedef int I; 31 return k; 32 } 33 34 template<typename T> int UseAll() { 35 #if __cplusplus <= 199711L // C++11 does not allow access declarations 36 return Use<C<T> >() + Use<D<T> >() + Use<E<T> >() + Use<F<T> >(); // expected-note 0-2{{instantiation of}} 37 #else 38 return Use<C<T> >() + Use<D<T> >() + Use<F<T> >(); // expected-note 0-2{{instantiation of}} 39 #endif 40 } 41 42 template int UseAll<YA>(); 43 template int UseAll<YB>(); 44 template int UseAll<Y>(); 45 46 #if __cplusplus >= 201702L 47 void use_g(Q q) { 48 q.f(q); // expected-error {{ambiguous}} 49 #if ORDER == 1 50 // expected-note@a.h:* {{candidate function}} 51 // expected-note@a.h:* {{candidate function}} 52 #else 53 // expected-note@b.h:* {{candidate function}} 54 // expected-note@b.h:* {{candidate function}} 55 #endif 56 } 57 #endif 58 59 // Which of these two sets of diagnostics is chosen is not important. It's OK 60 // if this varies with ORDER, but it must be consistent across runs. 61 #if ORDER == 1 62 // Here, we're instantiating the definition from 'A' and merging the definition 63 // from 'B' into it. 64 65 #if __cplusplus <= 199711L // C++11 does not allow access declarations 66 // expected-error@b.h:* {{'E::value' from module 'B' is not present in definition of 'E<T>' in module 'A'}} 67 // expected-error@b.h:* {{'E::v' from module 'B' is not present in definition of 'E<T>' in module 'A'}} 68 #endif 69 70 // expected-error@b.h:* {{'F::type' from module 'B' is not present in definition of 'F<T>' in module 'A'}} 71 // expected-error@b.h:* {{'F::t' from module 'B' is not present in definition of 'F<T>' in module 'A'}} 72 // expected-error@b.h:* {{'F::value' from module 'B' is not present in definition of 'F<T>' in module 'A'}} 73 // expected-error@b.h:* {{'F::v' from module 'B' is not present in definition of 'F<T>' in module 'A'}} 74 75 // expected-note@a.h:* +{{does not match}} 76 #else 77 // Here, we're instantiating the definition from 'B' and merging the definition 78 // from 'A' into it. 79 80 // expected-error@a.h:* {{'D::type' from module 'A' is not present in definition of 'D<T>' in module 'B'}} 81 // expected-error@a.h:* {{'D::value' from module 'A' is not present in definition of 'D<T>' in module 'B'}} 82 // expected-error@b.h:* 2{{'typename' keyword used on a non-type}} 83 // expected-error@b.h:* 2{{dependent using declaration resolved to type without 'typename'}} 84 85 #if __cplusplus <= 199711L // C++11 does not allow access declarations 86 // expected-error@a.h:* {{'E::type' from module 'A' is not present in definition of 'E<T>' in module 'B'}} 87 // expected-error@a.h:* {{'E::t' from module 'A' is not present in definition of 'E<T>' in module 'B'}} 88 // expected-error@a.h:* {{'E::value' from module 'A' is not present in definition of 'E<T>' in module 'B'}} 89 // expected-error@a.h:* {{'E::v' from module 'A' is not present in definition of 'E<T>' in module 'B'}} 90 // expected-note@b.h:* 2{{definition has no member}} 91 #endif 92 93 94 // expected-error@a.h:* {{'F::type' from module 'A' is not present in definition of 'F<T>' in module 'B'}} 95 // expected-error@a.h:* {{'F::t' from module 'A' is not present in definition of 'F<T>' in module 'B'}} 96 // expected-error@a.h:* {{'F::value' from module 'A' is not present in definition of 'F<T>' in module 'B'}} 97 // expected-error@a.h:* {{'F::v' from module 'A' is not present in definition of 'F<T>' in module 'B'}} 98 99 // expected-note@b.h:* +{{does not match}} 100 // expected-note@b.h:* +{{target of using}} 101 #endif 102