A constructor template cannot be instantiated to a copy
constructor. Make sure that such declarations can never be formed.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88718 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index fa31cc5..30d046f 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -3909,6 +3909,9 @@
         << FD->getNameAsCString() << "dllimport";
     }
   }
+  
+  assert(ExprTemporaries.empty() && "Leftover temporaries before starting");
+
   return DeclPtrTy::make(FD);
 }