d2639ffff2
Close https://github.com/llvm/llvm-project/issues/38554 Close https://github.com/llvm/llvm-project/issues/58532 It looks like we can workaround the '#pragma once' problem automatically after we force the lazily loading for named modules. Add a test to show this.
35 lines
793 B
C++
35 lines
793 B
C++
// RUN: rm -rf %t
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// RUN: mkdir %t
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// RUN: split-file %s %t
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//
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// RUN: %clang_cc1 -std=c++20 %t/interface.cppm -emit-module-interface \
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// RUN: -o %t/m.pcm
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// RUN: %clang_cc1 -std=c++20 %t/implementation.cpp -fmodule-file=m=%t/m.pcm \
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// RUN: -fsyntax-only -verify
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//--- invisible.h
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#pragma once // This breaks things.
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const int kInvisibleSymbol = 0;
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struct invisible_struct
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{};
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#define INVISIBLE_DEFINE
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//--- visible.h
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#include "invisible.h"
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const int kSadlyUndeclaredSymbol = kInvisibleSymbol;
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using unfortunately_still_invisible_struct = invisible_struct;
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#ifndef INVISIBLE_DEFINE
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# error "Still not defined."
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#endif
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//--- interface.cppm
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module;
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#include "visible.h"
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export module m;
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//--- implementation.cpp
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// expected-no-diagnostics
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module;
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#include "visible.h"
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module m;
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