xref: /llvm-project/clang/test/SemaCXX/compare-modules-cxx2a.cpp (revision 56b63e0886ba369a53df5e1d429cde2e4a2d4a34)
1 // RUN: rm -rf %t.mcp
2 // RUN: mkdir -p %t
3 
4 // RUN: %clang_cc1 -triple x86_64-apple-darwin -fcxx-exceptions -verify -std=c++2a -fmodules -fmodules-cache-path=%t.mcp -I%S/Inputs %s -fno-modules-error-recovery -fmodule-map-file=%S/Inputs/compare.modulemap
5 // RUN: %clang_cc1 -triple x86_64-apple-darwin -fcxx-exceptions -verify -std=c++2a -fmodules -fmodules-cache-path=%t.mcp -I%S/Inputs %s -fno-modules-error-recovery -fmodule-map-file=%S/Inputs/compare.modulemap -fexperimental-new-constant-interpreter
6 
7 struct CC { CC(...); };
8 
a()9 void a() { void(0 <=> 0); } // expected-error {{include <compare>}}
10 
11 struct A {
12   CC operator<=>(const A&) const = default; // expected-error {{include <compare>}}
13 };
14 auto va = A() <=> A(); // expected-note {{required here}}
15 
16 #pragma clang module import compare.other
17 
18 // expected-note@std-compare.h:* 2+{{not reachable}}
19 
b()20 void b() { void(0 <=> 0); } // expected-error 1+{{definition of 'strong_ordering' must be imported from module 'compare.cmp' before it is required}}
21 
22 struct B {
23   CC operator<=>(const B&) const = default; // expected-error 1+{{definition of 'strong_ordering' must be imported from module 'compare.cmp' before it is required}}
24 };
25 auto vb = B() <=> B(); // expected-note {{required here}}
26 
27 #pragma clang module import compare.cmp
28 
c()29 void c() { void(0 <=> 0); }
30 
31 struct C {
32   CC operator<=>(const C&) const = default;
33 };
34 auto vc = C() <=> C();
35 
36 
37 #pragma clang module build compare2
38 module compare2 {}
39 #pragma clang module contents
40 #pragma clang module begin compare2
41 #include "std-compare.h"
42 #pragma clang module end
43 #pragma clang module endbuild
44 
45 #pragma clang module import compare2
46 
47 void g() { void(0.0 <=> 0.0); }
48