objc: do not auto synthesize properties declared in
protocols; with a warning. // rdar://10567333
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146626 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaObjCProperty.cpp b/lib/Sema/SemaObjCProperty.cpp
index 7436745..c60d1b8 100644
--- a/lib/Sema/SemaObjCProperty.cpp
+++ b/lib/Sema/SemaObjCProperty.cpp
@@ -1328,7 +1328,13 @@
if (IMPDecl->getInstanceMethod(Prop->getSetterName()))
continue;
}
-
+ if (isa<ObjCProtocolDecl>(Prop->getDeclContext())) {
+ // We won't auto-synthesize properties declared in protocols.
+ Diag(IMPDecl->getLocation(),
+ diag::warn_auto_synthesizing_protocol_property);
+ Diag(Prop->getLocation(), diag::note_property_declare);
+ continue;
+ }
// We use invalid SourceLocations for the synthesized ivars since they
// aren't really synthesized at a particular location; they just exist.