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TheRock/compiler/amd-llvm/clang/test/Modules/cxx20-hu-03.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

58 lines
1.1 KiB
C++

// Test check that processing headers as C++20 units allows #pragma once.
// RUN: rm -rf %t
// RUN: mkdir -p %t
// RUN: split-file %s %t
// RUN: cd %t
// RUN: %clang_cc1 -std=c++20 -emit-header-unit -xc++-user-header hu-01.h \
// RUN: -Werror -o hu-01.pcm
// RUN: %clang_cc1 -std=c++20 -emit-header-unit -xc++-user-header hu-02.h \
// RUN: -fmodule-file=%t/hu-01.pcm -o hu-02.pcm
// RUN: %clang_cc1 -std=c++20 -fsyntax-only imports-01.cpp \
// RUN: -fmodule-file=%t/hu-01.pcm
// RUN: %clang_cc1 -std=c++20 -fsyntax-only imports-02.cpp \
// RUN: -fmodule-file=%t/hu-02.pcm
// RUN: %clang_cc1 -std=c++20 -fsyntax-only imports-03.cpp \
// RUN: -fmodule-file=%t/hu-02.pcm
//--- hu-01.h
#pragma once
struct HU {
int a;
};
// expected-no-diagnostics
//--- hu-02.h
export import "hu-01.h";
// expected-no-diagnostics
//--- imports-01.cpp
import "hu-01.h";
HU foo(int x) {
return {x};
}
// expected-no-diagnostics
//--- imports-02.cpp
import "hu-02.h";
HU foo(int x) {
return {x};
}
// expected-no-diagnostics
//--- imports-03.cpp
import "hu-01.h";
import "hu-02.h";
HU foo(int x) {
return {x};
}
// expected-no-diagnostics