diff options
| -rw-r--r-- | clang/lib/Sema/SemaDeclCXX.cpp | 3 | ||||
| -rw-r--r-- | clang/test/CodeGenCXX/dllexport-missing-key.cpp | 22 |
2 files changed, 25 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp index 4a7ab11c715..d56c8803113 100644 --- a/clang/lib/Sema/SemaDeclCXX.cpp +++ b/clang/lib/Sema/SemaDeclCXX.cpp @@ -5528,6 +5528,9 @@ static void ReferenceDllExportedMembers(Sema &S, CXXRecordDecl *Class) { // declaration. return; + if (S.Context.getTargetInfo().getTriple().isWindowsGNUEnvironment()) + S.MarkVTableUsed(Class->getLocation(), Class, true); + for (Decl *Member : Class->decls()) { // Defined static variables that are members of an exported base // class must be marked export too. diff --git a/clang/test/CodeGenCXX/dllexport-missing-key.cpp b/clang/test/CodeGenCXX/dllexport-missing-key.cpp new file mode 100644 index 00000000000..90e736f6fad --- /dev/null +++ b/clang/test/CodeGenCXX/dllexport-missing-key.cpp @@ -0,0 +1,22 @@ +// RUN: %clang_cc1 -triple x86_64-windows-gnu -emit-llvm -std=c++11 -o - %s | FileCheck --check-prefix=GNU %s + +class __declspec(dllexport) QAbstractLayoutStyleInfo { +public: + QAbstractLayoutStyleInfo() : m_isWindow(false) {} + virtual ~QAbstractLayoutStyleInfo() {} + + virtual bool hasChangedCore() const { return false; } + + virtual void invalidate() {} + + virtual double windowMargin(bool orientation) const = 0; + + bool isWindow() const { return m_isWindow; } + +protected: + bool m_isWindow; +}; + +// GNU-DAG: @_ZTV24QAbstractLayoutStyleInfo = weak_odr dso_local dllexport +// GNU-DAG: @_ZTS24QAbstractLayoutStyleInfo = linkonce_odr +// GNU-DAG: @_ZTI24QAbstractLayoutStyleInfo = linkonce_odr |
