Make sure that we're diagnosing duplicate explicit instantiation definitions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84189 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index ca05d59aba..4bbef29de0 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -1258,7 +1258,10 @@ void Sema::InstantiateStaticDataMemberDefinition(
 
   if (Var) {
     Var->setPreviousDeclaration(OldVar);
-    Var->setTemplateSpecializationKind(OldVar->getTemplateSpecializationKind());
+    MemberSpecializationInfo *MSInfo = OldVar->getMemberSpecializationInfo();
+    assert(MSInfo && "Missing member specialization information?");
+    Var->setTemplateSpecializationKind(MSInfo->getTemplateSpecializationKind(),
+                                       MSInfo->getPointOfInstantiation());
     DeclGroupRef DG(Var);
     Consumer.HandleTopLevelDecl(DG);
   }