objc: use objc_suppress_autosynthesis attribute on classes
which should not be default synthesized.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147468 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index bc35055..ad230b4 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -1665,9 +1665,10 @@
// Check and see if properties declared in the interface have either 1)
// an implementation or 2) there is a @synthesize/@dynamic implementation
// of the property in the @implementation.
- if (isa<ObjCInterfaceDecl>(CDecl) &&
- !(LangOpts.ObjCDefaultSynthProperties && LangOpts.ObjCNonFragileABI2))
- DiagnoseUnimplementedProperties(S, IMPDecl, CDecl, InsMap);
+ if (const ObjCInterfaceDecl *IDecl = dyn_cast<ObjCInterfaceDecl>(CDecl))
+ if (!(LangOpts.ObjCDefaultSynthProperties && LangOpts.ObjCNonFragileABI2) ||
+ IDecl->isObjCSuppressAutosynthesis())
+ DiagnoseUnimplementedProperties(S, IMPDecl, CDecl, InsMap);
llvm::DenseSet<Selector> ClsMap;
for (ObjCImplementationDecl::classmeth_iterator