objective-c: Normally, a property cannot be both 'readonly' and having a
"write" attribute (copy/retain/etc.). But, property declaration in
primary class and protcols are tentative as they may be overridden
into a 'readwrite' property in class extensions. Postpone diagnosing
such warnings until the class implementation is seen.
// rdar://11656982
llvm-svn: 158869
diff --git a/clang/test/SemaObjC/tentative-property-decl.m b/clang/test/SemaObjC/tentative-property-decl.m
new file mode 100644
index 0000000..4ab2f56
--- /dev/null
+++ b/clang/test/SemaObjC/tentative-property-decl.m
@@ -0,0 +1,43 @@
+// RUN: %clang_cc1 -fsyntax-only -Weverything -verify %s
+// rdar://11656982
+/** Normally, a property cannot be both 'readonly' and having a "write" attribute
+ (copy/retain/etc.). But, property declaration in primary class and protcols
+ are tentative as they may be overridden into a 'readwrite' property in class
+ extensions. Postpone diagnosing such warnings until the class implementation
+ is seen.
+*/
+
+@interface Super {
+}
+@end
+
+@class NSString;
+
+@interface MyClass : Super
+@property(nonatomic, copy, readonly) NSString *prop;
+@end
+
+@interface MyClass ()
+@property(nonatomic, copy, readwrite) NSString *prop;
+@end
+
+@implementation MyClass
+@synthesize prop;
+@end
+
+
+@protocol P
+@property(nonatomic, copy, readonly) NSString *prop;
+@end
+
+@interface YourClass : Super <P>
+@end
+
+@interface YourClass ()
+@property(nonatomic, copy, readwrite) NSString *prop;
+@end
+
+@implementation YourClass
+@synthesize prop;
+@end
+