PR13890: Warn on abstract final classes.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164359 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index e0c655f..3191e3f 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -3840,6 +3840,11 @@
diag::warn_non_virtual_dtor) << Context.getRecordType(Record);
}
+ if (Record->isAbstract() && Record->hasAttr<FinalAttr>()) {
+ Diag(Record->getLocation(), diag::warn_abstract_final_class);
+ DiagnoseAbstractType(Record);
+ }
+
// See if a method overloads virtual methods in a base
/// class without overriding any.
if (!Record->isDependentType()) {