1 files changed, 3 insertions, 2 deletions
diff --git a/lib/AST/DeclBase.cpp b/lib/AST/DeclBase.cpp
index 4400d503f2..870b8f11d7 100644
--- a/lib/AST/DeclBase.cpp
+++ b/lib/AST/DeclBase.cpp
@@ -261,9 +261,10 @@ bool Decl::isUsed(bool CheckUsedAttr) const {
   if (CheckUsedAttr && hasAttr<UsedAttr>())
     return true;
   
-  // Check redeclarations for used attribute.
+  // Check redeclarations. We merge attributes, so we don't need to check
+  // attributes in all redeclarations.
   for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) {
-    if ((CheckUsedAttr && I->hasAttr<UsedAttr>()) || I->Used)
+    if (I->Used)
       return true;
   }