From 4a67508685abee7b8d3ebbca6b1144d2c7ead211 Mon Sep 17 00:00:00 2001
From: Fariborz Jahanian <fjahanian@apple.com>
Date: Wed, 3 Oct 2012 17:55:29 +0000
Subject: objective-C arc: Warn under arc about a use of an ivar inside a block
 that doesn't have a 'self' as this implicitly captures 'self' and could
 create retain cycles. Provide fixit. // rdar://11194874

llvm-svn: 165133
---
 clang/lib/Sema/SemaExpr.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'clang/lib/Sema/SemaExpr.cpp')

diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp
index 75bc8658c65..bbae55b5980 100644
--- a/clang/lib/Sema/SemaExpr.cpp
+++ b/clang/lib/Sema/SemaExpr.cpp
@@ -2008,6 +2008,9 @@ Sema::LookupInObjCMethod(LookupResult &Lookup, Scope *S,
           if (Level != DiagnosticsEngine::Ignored)
             getCurFunction()->recordUseOfWeak(Result);
         }
+        if (CurContext->isClosure())
+          Diag(Loc, diag::warn_implicitly_retains_self)
+            << FixItHint::CreateInsertion(Loc, "self->");
       }
       
       return Owned(Result);
-- 
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