Add r168519 back, but with a fix to also merge the used flag in variables.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168564 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 7 deletions

diff --git a/lib/AST/DeclBase.cpp b/lib/AST/DeclBase.cpp
index 7b20e7751a..b04c149dee 100644
--- a/lib/AST/DeclBase.cpp
+++ b/lib/AST/DeclBase.cpp
@@ -261,13 +261,6 @@ bool Decl::isUsed(bool CheckUsedAttr) const {
   if (CheckUsedAttr && hasAttr<UsedAttr>())
     return true;
 
-  // 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 (I->Used)
-      return true;
-  }
-
   return false; 
 }