Delete NamedMDSymTable while destrucing Module.

Disable  copy ctor and operator= for NamedMDSymTable. Hide typedef that should be public.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93041 91177308-0d34-0410-b5e6-96231b3b80d8

lib/VMCore/Module.cpp

@@ -71,6 +71,7 @@ Module::~Module() {
   NamedMDList.clear();
   delete ValSymTab;
   delete TypeSymTab;
+  delete NamedMDSymTab;
 }
 
 /// Target endian information...