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TheRock/compiler/amd-llvm/clang/test/Modules/cxx20-10-2-ex2.cpp
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

55 lines
1.8 KiB
C++

// Based on C++20 10.2 example 2.
// RUN: rm -rf %t
// RUN: mkdir -p %t
// RUN: split-file %s %t
// RUN: %clang_cc1 -std=c++20 -emit-header-unit -I %t \
// RUN: -xc++-user-header std-10-2-ex2-c.h -o %t/std-10-2-ex2-c.pcm
// RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/std-10-2-ex2-tu1.cpp \
// RUN: -o %t/X.pcm
// RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/std-10-2-ex2-tu2.cpp \
// RUN: -fmodule-file=%t/std-10-2-ex2-c.pcm -fmodule-file=X=%t/X.pcm \
// RUN: -pedantic-errors -verify -o %t/M.pcm
// Test again with reduced BMI.
// RUN: %clang_cc1 -std=c++20 -emit-header-unit -I %t \
// RUN: -xc++-user-header std-10-2-ex2-c.h -o %t/std-10-2-ex2-c.pcm
// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/std-10-2-ex2-tu1.cpp \
// RUN: -o %t/X.pcm
// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/std-10-2-ex2-tu2.cpp \
// RUN: -fmodule-file=%t/std-10-2-ex2-c.pcm -fmodule-file=X=%t/X.pcm \
// RUN: -pedantic-errors -verify -o %t/M.pcm
//--- std-10-2-ex2-b.h
int f();
//--- std-10-2-ex2-c.h
int g();
//--- std-10-2-ex2-tu1.cpp
export module X;
export int h();
//--- std-10-2-ex2-tu2.cpp
module;
#include "std-10-2-ex2-b.h"
export module M;
import "std-10-2-ex2-c.h"; // expected-warning {{the implementation of header units is in an experimental phase}}
import X;
export using ::f, ::g, ::h; // OK
struct S; // expected-note {{target of using declaration}}
export using ::S; // expected-error {{using declaration referring to 'S' with module linkage cannot be exported}}
namespace N {
export int h();
static int h(int); // expected-note {{target of using declaration}}
} // namespace N
export using N::h; // expected-error {{using declaration referring to 'h' with internal linkage cannot be exported}}