objc - don't complain about unimplemented property when conforming
protocol declares the property, as well as one of its superclasses.
Property will be implemented in the super class. // rdar://10120691
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140586 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaObjCProperty.cpp b/lib/Sema/SemaObjCProperty.cpp
index db23c84..56aa448 100644
--- a/lib/Sema/SemaObjCProperty.cpp
+++ b/lib/Sema/SemaObjCProperty.cpp
@@ -1153,7 +1153,8 @@
ObjCPropertyDecl *PropertyFromSuper = SuperPropMap[Prop->getIdentifier()];
// Exclude property for protocols which conform to class's super-class,
// as super-class has to implement the property.
- if (!PropertyFromSuper || PropertyFromSuper != Prop) {
+ if (!PropertyFromSuper ||
+ PropertyFromSuper->getIdentifier() != Prop->getIdentifier()) {
ObjCPropertyDecl *&PropEntry = PropMap[Prop->getIdentifier()];
if (!PropEntry)
PropEntry = Prop;
diff --git a/test/SemaObjC/unimplemented-protocol-prop.m b/test/SemaObjC/unimplemented-protocol-prop.m
index 0805202..fa3ed8e 100644
--- a/test/SemaObjC/unimplemented-protocol-prop.m
+++ b/test/SemaObjC/unimplemented-protocol-prop.m
@@ -19,3 +19,21 @@
// expected-warning {{property 'MyProperty0' requires method 'setMyProperty0:' to be defined}}\
// expected-warning {{property 'MyProperty' requires method 'MyProperty' to be defined}} \
// expected-warning {{property 'MyProperty' requires method 'setMyProperty:' to be defined}}
+
+// rdar://10120691
+// property is implemented in super class. No warning
+
+@protocol PROTOCOL1
+@property int MyProp;
+@end
+
+@interface superclass
+@property int MyProp;
+@end
+
+@interface childclass : superclass <PROTOCOL1>
+@end
+
+@implementation childclass
+@end
+