Basics

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174246 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDecl.cpp b/lib/CodeGen/CGDecl.cpp
index a43a383..75b45cc 100644
--- a/lib/CodeGen/CGDecl.cpp
+++ b/lib/CodeGen/CGDecl.cpp
@@ -78,14 +78,18 @@
   case Decl::CXXRecord: // struct/union/class X; [C++]
   case Decl::Using:          // using X; [C++]
   case Decl::UsingShadow:
-  case Decl::UsingDirective: // using namespace X; [C++]
   case Decl::NamespaceAlias:
   case Decl::StaticAssert: // static_assert(X, ""); [C++0x]
   case Decl::Label:        // __label__ x;
   case Decl::Import:
     // None of these decls require codegen support.
     return;
-
+  case Decl::UsingDirective: { // using namespace X; [C++]
+    if (CGDebugInfo *DI = getDebugInfo()) {
+      DI->EmitUsingDirectiveDecl(cast<UsingDirectiveDecl>(D));
+    }
+    return;
+  }
   case Decl::Var: {
     const VarDecl &VD = cast<VarDecl>(D);
     assert(VD.isLocalVarDecl() &&