Handle the case where the namespace decl is an alias.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67965 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/AST/DeclCXX.h b/include/clang/AST/DeclCXX.h
index 5f55947a3202c8053d9b893980f6516b878ae207..389ffaec68e4a2e3481f2746ea9596f45c0cd8f8 100644 (file)
--- a/include/clang/AST/DeclCXX.h
+++ b/include/clang/AST/DeclCXX.h
@@ -973,7 +973,9 @@ class NamespaceAliasDecl : public NamedDecl {
 public:
 
   NamespaceDecl *getNamespace() {
-    // FIXME: Namespace can also be an alias decl.
+    if (NamespaceAliasDecl *AD = dyn_cast<NamespaceAliasDecl>(Namespace))
+      return AD->getNamespace();
+
     return cast<NamespaceDecl>(Namespace);
   }