From 38cae30095e5356e7d5aeb16a646faf5e96ff471 Mon Sep 17 00:00:00 2001
From: Mike Stump <mrs@apple.com>
Date: Wed, 18 Mar 2009 15:05:17 +0000
Subject: [PATCH] Ignore weak import on properties.

llvm-svn: 67205
---
 clang/lib/Sema/SemaDeclAttr.cpp     | 2 ++
 clang/test/SemaObjC/property-weak.m | 5 +++++
 2 files changed, 7 insertions(+)
 create mode 100644 clang/test/SemaObjC/property-weak.m

diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp
index 96812018a193..174bfc62649e 100644
--- a/clang/lib/Sema/SemaDeclAttr.cpp
+++ b/clang/lib/Sema/SemaDeclAttr.cpp
@@ -761,6 +761,8 @@ static void HandleWeakImportAttr(Decl *D, const AttributeList &Attr, Sema &S) {
     isDef = (!VD->hasExternalStorage() || VD->getInit());
   } else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
     isDef = FD->getBody();
+  } else if (isa<ObjCPropertyDecl>(D)) {
+    // We ignore weak import on properties
   } else {
     S.Diag(Attr.getLoc(), diag::warn_attribute_wrong_decl_type)
     << "weak_import" << 2 /*variable and function*/;
diff --git a/clang/test/SemaObjC/property-weak.m b/clang/test/SemaObjC/property-weak.m
new file mode 100644
index 000000000000..2e5edbd5c506
--- /dev/null
+++ b/clang/test/SemaObjC/property-weak.m
@@ -0,0 +1,5 @@
+// RUN: clang -triple i386-apple-darwin9 -fsyntax-only -verify %s
+
+@interface foo
+@property(nonatomic) int foo __attribute__((weak_import));
+@end