From 65a78b5d9b9f318d27a37a173e22ea97e2dd4b84 Mon Sep 17 00:00:00 2001
From: Fariborz Jahanian <fjahanian@apple.com>
Date: Fri, 9 May 2014 19:51:39 +0000
Subject: Objective-C. Reduce false positive warnings with -Wselector by
 issuing warning only when named selector is declared in TU and it is not
 declared in a system header. rdar://16600230

llvm-svn: 208443
---
 clang/lib/Sema/SemaExprObjC.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'clang/lib')

diff --git a/clang/lib/Sema/SemaExprObjC.cpp b/clang/lib/Sema/SemaExprObjC.cpp
index 037175e6015..d388a4b82e5 100644
--- a/clang/lib/Sema/SemaExprObjC.cpp
+++ b/clang/lib/Sema/SemaExprObjC.cpp
@@ -1049,8 +1049,9 @@ ExprResult Sema::ParseObjCSelectorExpression(Selector Sel,
   } else
     DiagnoseMismatchedSelectors(*this, AtLoc, Method);
   
-  if (!Method ||
-      Method->getImplementationControl() != ObjCMethodDecl::Optional) {
+  if (Method &&
+      Method->getImplementationControl() != ObjCMethodDecl::Optional &&
+      !getSourceManager().isInSystemHeader(Method->getLocation())) {
     llvm::DenseMap<Selector, SourceLocation>::iterator Pos
       = ReferencedSelectors.find(Sel);
     if (Pos == ReferencedSelectors.end())
-- 
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