Index: lib/Sema/SemaDeclCXX.cpp
===================================================================
--- lib/Sema/SemaDeclCXX.cpp
+++ lib/Sema/SemaDeclCXX.cpp
@@ -5476,7 +5476,7 @@
   }
 }
 
-static void ReferenceDllExportedMethods(Sema &S, CXXRecordDecl *Class) {
+static void ReferenceDllExportedMembers(Sema &S, CXXRecordDecl *Class) {
   Attr *ClassAttr = getDLLAttr(Class);
   if (!ClassAttr)
     return;
@@ -5491,6 +5491,17 @@
     return;
 
   for (Decl *Member : Class->decls()) {
+    // Defined static variables that are members of an exported base
+    // class must be marked export too. Push them to implicit instantiation
+    // queue.
+    auto *VD = dyn_cast<VarDecl>(Member);
+    if (VD && Member->getAttr<DLLExportAttr>() &&
+        VD->getStorageClass() == SC_Static &&
+        VD->isDefinedOutsideFunctionOrMethod() &&
+        TSK == TSK_ImplicitInstantiation)
+      S.PendingLocalImplicitInstantiations.push_back(
+          std::make_pair(VD, VD->getLocation()));
+
     auto *MD = dyn_cast<CXXMethodDecl>(Member);
     if (!MD)
       continue;
@@ -10902,12 +10913,12 @@
 
 void Sema::referenceDLLExportedClassMethods() {
   if (!DelayedDllExportClasses.empty()) {
-    // Calling ReferenceDllExportedMethods might cause the current function to
+    // Calling ReferenceDllExportedMembers might cause the current function to
     // be called again, so use a local copy of DelayedDllExportClasses.
     SmallVector<CXXRecordDecl *, 4> WorkList;
     std::swap(DelayedDllExportClasses, WorkList);
     for (CXXRecordDecl *Class : WorkList)
-      ReferenceDllExportedMethods(*this, Class);
+      ReferenceDllExportedMembers(*this, Class);
   }
 }
 
Index: test/CodeGenCXX/dllexport.cpp
===================================================================
--- test/CodeGenCXX/dllexport.cpp
+++ test/CodeGenCXX/dllexport.cpp
@@ -28,6 +28,7 @@
 
 // The vftable for struct W is comdat largest because we have RTTI.
 // M32-DAG: $"\01??_7W@@6B@" = comdat largest
+// M32-DAG: $"\01?smember@?$Base@H@@0HA" = comdat any
 
 
 //===----------------------------------------------------------------------===//
@@ -567,6 +568,7 @@
 // Copy ctor:
 // M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.W* @"\01??0W@@QAE@ABU0@@Z"
 // vftable:
+// M32-DAG: @"\01?smember@?$Base@H@@0HA" = weak_odr dllexport global i32 77, comdat, align 4
 // M32-DAG: [[W_VTABLE:@.*]] = private unnamed_addr constant { [2 x i8*] } { [2 x i8*] [i8* bitcast (%rtti.CompleteObjectLocator* @"\01??_R4W@@6B@" to i8*), i8* bitcast (void (%struct.W*)* @"\01?foo@W@@UAEXXZ" to i8*)] }, comdat($"\01??_7W@@6B@")
 // M32-DAG: @"\01??_7W@@6B@" = dllexport unnamed_addr alias i8*, getelementptr inbounds ({ [2 x i8*] }, { [2 x i8*] }* [[W_VTABLE]], i32 0, i32 0, i32 1)
 // G32-DAG: @_ZTV1W = dllexport unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1W to i8*), i8* bitcast (void (%struct.W*)* @_ZN1W3fooEv to i8*)] }
@@ -977,3 +979,18 @@
 // MSVC2015-DAG: define weak_odr dllexport {{.+}}ACE_Service_Object@@Q{{.+}}@$$Q
 // The declarations should not be exported.
 // MSVC2013-NOT: define weak_odr dllexport {{.+}}ACE_Service_Object@@Q{{.+}}@$$Q
+
+template <class T>
+class Base {
+  virtual void myfunc() { ; }
+  static int smember;
+};
+template <class T>
+int Base<T>::smember = 77;
+template <class T>
+class __declspec(dllexport) Derived2 : Base<T> {
+  void myfunc() { ; }
+};
+class Derived : public Derived2<int> {
+  void myfunc() { ; }
+};