Fix a bug where write-barriers for assignment through reference
types was not being generated for objc pointers.
// rdar://8681766.
llvm-svn: 119751
diff --git a/clang/test/CodeGenObjCXX/refence-assign-write-barrier.mm b/clang/test/CodeGenObjCXX/refence-assign-write-barrier.mm
new file mode 100644
index 0000000..b295eb2
--- /dev/null
+++ b/clang/test/CodeGenObjCXX/refence-assign-write-barrier.mm
@@ -0,0 +1,20 @@
+// RUN: %clang_cc1 -fobjc-gc -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
+// rdar://8681766
+
+@interface NSArray
+- (NSArray*) retain;
+- (void) release;
+@end
+
+void NSAssignArray(NSArray*& target, NSArray* newValue)
+{
+ if (target == newValue)
+ return;
+
+ NSArray* oldValue = target;
+
+ target = [newValue retain];
+
+ [oldValue release];
+}
+// CHECK: {{call.* @objc_assign_strongCast}}