1// RUN: rm -rf %t 2// RUN: mkdir -p %t 3// RUN: split-file %s %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 %t/B.cppm -fmodule-file=A=%t/A.pcm -fsyntax-only -verify 7 8// RUN: rm %t/A.pcm 9// RUN: %clang_cc1 -std=c++20 %t/A.cppm -emit-reduced-module-interface -o %t/A.pcm 10// RUN: %clang_cc1 -std=c++20 %t/B.cppm -fmodule-file=A=%t/A.pcm -fsyntax-only -verify 11 12//--- A.cppm 13export module A; 14 15//--- B.cppm 16import A; // expected-note {{add 'module;' to the start of the file to introduce a global module fragment}} 17export module B; // expected-error {{module declaration must occur at the start of the translation unit}} 18