From 9d7cf2baaf19b389936fb641b3e0763df900e985 Mon Sep 17 00:00:00 2001
From: Fariborz Jahanian <fjahanian@apple.com>
Date: Tue, 17 Jan 2012 18:52:07 +0000
Subject: [PATCH] objc: fixes a bug where struct used inside an objc class was
 not being exported to parent decl context resulting in bogus mismatch warning
 later on. // rdar://10655530

llvm-svn: 148320
---
 clang/lib/Sema/SemaDecl.cpp                   |  3 ++-
 .../SemaObjC/continuation-class-property.m    | 20 +++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 6196ea3f6cb4..0e99f7047686 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -7872,7 +7872,8 @@ Decl *Sema::ActOnTag(Scope *S, unsigned TagSpec, TagUseKind TUK,
       // Find the context where we'll be declaring the tag.
       // FIXME: We would like to maintain the current DeclContext as the
       // lexical context,
-      while (SearchDC->isRecord() || SearchDC->isTransparentContext())
+      while (SearchDC->isRecord() || SearchDC->isTransparentContext() ||
+             SearchDC->isObjCContainer())
         SearchDC = SearchDC->getParent();
 
       // Find the scope where we'll be declaring the tag.
diff --git a/clang/test/SemaObjC/continuation-class-property.m b/clang/test/SemaObjC/continuation-class-property.m
index d017ac23dced..7d95424a06c8 100644
--- a/clang/test/SemaObjC/continuation-class-property.m
+++ b/clang/test/SemaObjC/continuation-class-property.m
@@ -41,3 +41,23 @@ typedef struct {
 @property (readwrite) NSString *foo; // expected-error {{type of property 'NSString *' in continuation class does not match property type in primary class}}
 @property (readwrite, strong) NSRect bar; // expected-error {{type of property 'NSRect' in continuation class does not match property type in primary class}}
 @end
+
+// rdar://10655530
+struct S;
+struct S1;
+@interface STAdKitContext
+@property (nonatomic, readonly, assign) struct evhttp_request *httpRequest;
+@property (nonatomic, readonly, assign) struct S *httpRequest2;
+@property (nonatomic, readonly, assign) struct S1 *httpRequest3;
+@property (nonatomic, readonly, assign) struct S2 *httpRequest4;
+@end
+
+struct evhttp_request;
+struct S1;
+
+@interface STAdKitContext()
+@property (nonatomic, readwrite, assign) struct evhttp_request *httpRequest;
+@property (nonatomic, readwrite, assign) struct S *httpRequest2;
+@property (nonatomic, readwrite, assign) struct S1 *httpRequest3;
+@property (nonatomic, readwrite, assign) struct S2 *httpRequest4;
+@end