warn about interfaces that inherit from deprecated classes.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64671 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index c378950..b82c50a 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -108,6 +108,11 @@
ObjCInterfaceDecl *SuperClassDecl =
dyn_cast_or_null<ObjCInterfaceDecl>(PrevDecl);
+
+ // Diagnose classes that inherit from deprecated classes.
+ if (SuperClassDecl)
+ DiagnoseUseOfDeprecatedDeclImpl(SuperClassDecl, SuperLoc);
+
if (PrevDecl && SuperClassDecl == 0) {
// The previous declaration was not a class decl. Check if we have a
// typedef. If we do, get the underlying class type.
@@ -118,6 +123,7 @@
SuperClassDecl = dyn_cast<ObjCInterfaceDecl>(IDecl);
}
}
+
// This handles the following case:
//
// typedef int SuperClass;
@@ -128,6 +134,7 @@
Diag(PrevDecl->getLocation(), diag::note_previous_definition);
}
}
+
if (!dyn_cast_or_null<TypedefDecl>(PrevDecl)) {
if (!SuperClassDecl)
Diag(SuperLoc, diag::err_undef_superclass)