xref: /llvm-project/clang/test/Modules/merge-requires-with-lambdas.cppm (revision da00c60dae0040185dc45039c4397f6e746548e9)
1// Tests that we can merge the concept declarations with lambda well.
2//
3// RUN: rm -rf %t
4// RUN: mkdir -p %t
5// RUN: split-file %s %t
6//
7// RUN: %clang_cc1 -std=c++20 %t/A.cppm -emit-module-interface -o %t/A.pcm
8// RUN: %clang_cc1 -std=c++20 %t/A0.cppm -emit-module-interface -o %t/A0.pcm
9// RUN: %clang_cc1 -std=c++20 %t/TestA.cpp -fprebuilt-module-path=%t -fsyntax-only -verify
10//
11// RUN: %clang_cc1 -std=c++20 %t/A1.cppm -emit-module-interface -o %t/A1.pcm
12// RUN: %clang_cc1 -std=c++20 %t/TestA1.cpp -fprebuilt-module-path=%t -fsyntax-only -verify
13//
14// RUN: %clang_cc1 -std=c++20 %t/A2.cppm -emit-module-interface -o %t/A2.pcm
15// RUN: %clang_cc1 -std=c++20 %t/TestA2.cpp -fprebuilt-module-path=%t -fsyntax-only -verify
16//
17// RUN: %clang_cc1 -std=c++20 %t/A3.cppm -emit-module-interface -o %t/A3.pcm
18// RUN: %clang_cc1 -std=c++20 %t/TestA3.cpp -fprebuilt-module-path=%t -fsyntax-only -verify
19
20// Test again with reduced BMI.
21// RUN: rm -rf %t
22// RUN: mkdir -p %t
23// RUN: split-file %s %t
24//
25// RUN: %clang_cc1 -std=c++20 %t/A.cppm -emit-reduced-module-interface -o %t/A.pcm
26// RUN: %clang_cc1 -std=c++20 %t/A0.cppm -emit-reduced-module-interface -o %t/A0.pcm
27// RUN: %clang_cc1 -std=c++20 %t/TestA.cpp -fprebuilt-module-path=%t -fsyntax-only -verify
28//
29// RUN: %clang_cc1 -std=c++20 %t/A1.cppm -emit-reduced-module-interface -o %t/A1.pcm
30// RUN: %clang_cc1 -std=c++20 %t/TestA1.cpp -fprebuilt-module-path=%t -fsyntax-only -verify
31//
32// RUN: %clang_cc1 -std=c++20 %t/A2.cppm -emit-reduced-module-interface -o %t/A2.pcm
33// RUN: %clang_cc1 -std=c++20 %t/TestA2.cpp -fprebuilt-module-path=%t -fsyntax-only -verify
34//
35// RUN: %clang_cc1 -std=c++20 %t/A3.cppm -emit-reduced-module-interface -o %t/A3.pcm
36// RUN: %clang_cc1 -std=c++20 %t/TestA3.cpp -fprebuilt-module-path=%t -fsyntax-only -verify
37
38
39//--- A.h
40template <class _Tp>
41concept A = requires(const _Tp& __t) { []<class __Up>(const __Up&) {}(__t); };
42
43//--- A1.h
44template <class _Tp>
45concept A = requires(const _Tp& __t) { []<class __Up>(__Up) {}(__t); };
46
47//--- A2.h
48template <class _Tp>
49concept A = requires(const _Tp& __t) { []<class __Up>(const __Up& __u) {
50    (int)__u;
51}(__t); };
52
53//--- A3.h
54template <class _Tp>
55concept A = requires(const _Tp& __t) { [t = '?']<class __Up>(const __Up&) {
56    (int)t;
57}(__t); };
58
59//--- A.cppm
60module;
61#include "A.h"
62export module A;
63export using ::A;
64
65//--- A0.cppm
66module;
67#include "A.h"
68export module A0;
69export using ::A;
70
71//--- TestA.cpp
72// expected-no-diagnostics
73import A;
74import A0;
75
76template <class C>
77void f(C) requires(A<C>) {}
78
79//--- A1.cppm
80module;
81#include "A1.h"
82export module A1;
83export using ::A;
84
85//--- TestA1.cpp
86import A;
87import A1;
88
89template <class C>
90void f(C) requires(A<C>) {} // expected-error 1+{{reference to 'A' is ambiguous}}
91                            // expected-note@* 1+{{candidate found by name lookup is 'A'}}
92
93//--- A2.cppm
94module;
95#include "A2.h"
96export module A2;
97export using ::A;
98
99//--- TestA2.cpp
100import A;
101import A2;
102
103template <class C>
104void f(C) requires(A<C>) {} // expected-error 1+{{reference to 'A' is ambiguous}}
105                            // expected-note@* 1+{{candidate found by name lookup is 'A'}}
106
107//--- A3.cppm
108module;
109#include "A3.h"
110export module A3;
111export using ::A;
112
113//--- TestA3.cpp
114import A;
115import A3;
116
117template <class C>
118void f(C) requires(A<C>) {} // expected-error 1+{{reference to 'A' is ambiguous}}
119                            // expected-note@* 1+{{candidate found by name lookup is 'A'}}
120