1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/AST/VTableBuilder.cpp b/clang/lib/AST/VTableBuilder.cpp
index 4e7715d7f02..859bd30ec83 100644
--- a/clang/lib/AST/VTableBuilder.cpp
+++ b/clang/lib/AST/VTableBuilder.cpp
@@ -2589,7 +2589,9 @@ public:
     // Only include the RTTI component if we know that we will provide a
     // definition of the vftable.
     HasRTTIComponent = Context.getLangOpts().RTTIData &&
-                       !MostDerivedClass->hasAttr<DLLImportAttr>();
+                       !MostDerivedClass->hasAttr<DLLImportAttr>() &&
+                       MostDerivedClass->getTemplateSpecializationKind() !=
+                           TSK_ExplicitInstantiationDeclaration;
 
     LayoutVFTable();