1// RUN: rm -rf %t
2// RUN: mkdir %t
3// RUN: split-file %s %t
4//
5// RUN: %clang_cc1 -std=c++20 %t/Templ.cppm -emit-module-interface -o %t/Templ.pcm
6// RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t %t/Use.cpp -verify -fsyntax-only
7
8//--- Templ.cppm
9export module Templ;
10template <typename T>
11class Templ {
12public:
13    Templ(T a) {}
14};
15
16template<typename T>
17Templ(T t) -> Templ<T>;
18
19//--- Use.cpp
20import Templ;
21void func() {
22    Templ t(5); // expected-error {{declaration of 'Templ' must be imported from module 'Templ' before it is required}}
23                // expected-error@-1 {{unknown type name 'Templ'}}
24                // [email protected]:3 {{declaration here is not visible}}
25}
26
27