3 // RUN: split-file %s %t
5 // RUN: %clang_cc1 -std=c++20 %t/interface.cppm -emit-module-interface \
7 // RUN: %clang_cc1 -std=c++20 %t/implementation.cpp -fmodule-file=m=%t/m.pcm \
8 // RUN: -fsyntax-only -verify
10 // Test again with reduced BMI.
11 // RUN: %clang_cc1 -std=c++20 %t/interface.cppm -emit-reduced-module-interface \
13 // RUN: %clang_cc1 -std=c++20 %t/implementation.cpp -fmodule-file=m=%t/m.pcm \
14 // RUN: -fsyntax-only -verify
17 #pragma once // This breaks things.
18 const int kInvisibleSymbol = 0;
19 struct invisible_struct
21 #define INVISIBLE_DEFINE
24 #include "invisible.h"
25 const int kSadlyUndeclaredSymbol = kInvisibleSymbol;
26 using unfortunately_still_invisible_struct = invisible_struct;
27 #ifndef INVISIBLE_DEFINE
28 # error "Still not defined."
36 //--- implementation.cpp
37 // expected-no-diagnostics