diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index d77bda7..5de1838 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -4587,7 +4587,7 @@
         NewFD->setInvalidDecl();
     } else if (isFunctionTemplateSpecialization) {
       if (CurContext->isDependentContext() && CurContext->isRecord() 
-          && !isFriend && !getLangOptions().Microsoft) {
+          && !isFriend) {
         Diag(NewFD->getLocation(), diag::err_function_specialization_in_class)
           << NewFD->getDeclName();
         NewFD->setInvalidDecl();