diff --git a/lib/Sema/SemaTemplateInstantiateExpr.cpp b/lib/Sema/SemaTemplateInstantiateExpr.cpp
index a09e24acf4..3578dafbbb 100644
--- a/lib/Sema/SemaTemplateInstantiateExpr.cpp
+++ b/lib/Sema/SemaTemplateInstantiateExpr.cpp
@@ -443,7 +443,7 @@ TemplateExprInstantiator::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) {
          F = Overloads->function_begin(),
          FEnd = Overloads->function_end();
        F != FEnd; ++F)
-    Functions.insert(cast<FunctionDecl>(*F));
+    Functions.insert(*F);
   
   // Add any functions found via argument-dependent lookup.
   DeclarationName OpName