Add namespaces to the list of items that we expose via pubnames.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191257 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp

@@ -1258,6 +1258,7 @@ DIE *CompileUnit::getOrCreateNameSpace(DINameSpace NS) {
   if (!NS.getName().empty()) {
     addString(NDie, dwarf::DW_AT_name, NS.getName());
     addAccelNamespace(NS.getName(), NDie);
+    addGlobalName(NS.getName(), NDie);
   } else
     addAccelNamespace("(anonymous namespace)", NDie);
   addSourceLine(NDie, NS);