Index: lib/AST/DeclPrinter.cpp
===================================================================
--- lib/AST/DeclPrinter.cpp	(revision 153022)
+++ lib/AST/DeclPrinter.cpp	(working copy)
@@ -666,6 +666,8 @@
 // C++ declarations
 //----------------------------------------------------------------------------
 void DeclPrinter::VisitNamespaceDecl(NamespaceDecl *D) {
+  if (D->isInline())
+    Out << "inline ";
   Out << "namespace " << *D << " {\n";
   VisitDeclContext(D);
   Indent() << "}";