objc: warn if a readonly property has a setter attribute too.
// rdar://10357768
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143518 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaObjCProperty.cpp b/lib/Sema/SemaObjCProperty.cpp
index 617dbef..ae054bc 100644
--- a/lib/Sema/SemaObjCProperty.cpp
+++ b/lib/Sema/SemaObjCProperty.cpp
@@ -1798,4 +1798,9 @@
!(Attributes & ObjCDeclSpec::DQ_PR_strong) &&
PropertyTy->isBlockPointerType())
Diag(Loc, diag::warn_objc_property_retain_of_block);
+
+ if ((Attributes & ObjCDeclSpec::DQ_PR_readonly) &&
+ (Attributes & ObjCDeclSpec::DQ_PR_setter))
+ Diag(Loc, diag::warn_objc_readonly_property_has_setter);
+
}