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-rw-r--r--clang/lib/Sema/SemaDeclCXX.cpp3
1 files changed, 3 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.
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