From: Douglas Gregor <dgregor@apple.com>
Date: Fri, 14 Sep 2012 05:10:40 +0000 (+0000)
Subject: Fix warning on qualified typedef with 'unused' attribute, from Jason Haslam!
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2c8e81e0d7ccf5880bc24fb8e2b1abcd7ea4f9a4;p=clang

Fix warning on qualified typedef with 'unused' attribute, from Jason Haslam!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163874 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 92780d98cd..7903ed0e30 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -1264,7 +1264,7 @@ static bool ShouldDiagnoseUnusedDecl(const NamedDecl *D) {
     QualType Ty = VD->getType();
 
     // Only look at the outermost level of typedef.
-    if (const TypedefType *TT = dyn_cast<TypedefType>(Ty)) {
+    if (const TypedefType *TT = Ty->getAs<TypedefType>()) {
       if (TT->getDecl()->hasAttr<UnusedAttr>())
         return false;
     }