1// RUN: rm -rf %t 2// RUN: split-file %s %t 3// RUN: cd %t 4// 5// RUN: %clang_cc1 -std=c++20 %t/A.cppm -emit-module-interface -o %t/A.pcm 6// RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t -I%t %t/Use.cppm -verify -fsyntax-only 7 8// RUN: %clang_cc1 -std=c++20 %t/A.cppm -emit-reduced-module-interface -o %t/A.pcm 9// RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t -I%t %t/Use.cppm -verify -fsyntax-only 10 11//--- foo.h 12template <typename T, typename U = int> 13class Templ; 14 15template <typename T, typename U> 16class Templ { 17public: 18 Templ(T t) {} 19}; 20 21template <typename T> 22Templ(T t) -> Templ<T, int>; 23 24//--- A.cppm 25module; 26#include "foo.h" 27export module A; 28 29//--- Use.cppm 30// expected-no-diagnostics 31module; 32#include "foo.h" 33export module X; 34import A; 35void foo() { 36 Templ t(0); 37} 38