From 6f26b5eeb4cf130b2602bdc93597da4f3419e7e5 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Sun, 1 Jan 2012 17:48:19 +0000
Subject: [PATCH] Replace a isa+cast with a dyn_cast.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147401 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/AST/Decl.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp
index f9e57bc706..842ce0f780 100644
--- a/lib/AST/Decl.cpp
+++ b/lib/AST/Decl.cpp
@@ -297,9 +297,9 @@ static LinkageInfo getLVForNamespaceScopeDecl(const NamedDecl *D, LVFlags F) {
       for (const DeclContext *DC = D->getDeclContext();
            !isa<TranslationUnitDecl>(DC);
            DC = DC->getParent()) {
-        if (!isa<NamespaceDecl>(DC)) continue;
-        if (llvm::Optional<Visibility> Vis
-                           = cast<NamespaceDecl>(DC)->getExplicitVisibility()) {
+        const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(DC);
+        if (!ND) continue;
+        if (llvm::Optional<Visibility> Vis = ND->getExplicitVisibility()) {
           LV.setVisibility(*Vis, false);
           F.ConsiderGlobalVisibility = false;
           break;
-- 
2.40.0