Objective-C: Issue deprecated warning when using a
deprecated typedef to subclass or invoke a class method.
// rdar://13569424
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178775 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index 96a432a..5c26d7f 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -521,8 +521,14 @@
dyn_cast_or_null<TypedefNameDecl>(PrevDecl)) {
QualType T = TDecl->getUnderlyingType();
if (T->isObjCObjectType()) {
- if (NamedDecl *IDecl = T->getAs<ObjCObjectType>()->getInterface())
+ if (NamedDecl *IDecl = T->getAs<ObjCObjectType>()->getInterface()) {
SuperClassDecl = dyn_cast<ObjCInterfaceDecl>(IDecl);
+ // This handles the following case:
+ // @interface NewI @end
+ // typedef NewI DeprI __attribute__((deprecated("blah")))
+ // @interface SI : DeprI /* warn here */ @end
+ (void)DiagnoseUseOfDecl(const_cast<TypedefNameDecl*>(TDecl), SuperLoc);
+ }
}
}
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index 51a1906..e7b5ec9 100644
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -1786,9 +1786,11 @@
QualType T;
if (ObjCInterfaceDecl *Class = dyn_cast<ObjCInterfaceDecl>(ND))
T = Context.getObjCInterfaceType(Class);
- else if (TypeDecl *Type = dyn_cast<TypeDecl>(ND))
+ else if (TypeDecl *Type = dyn_cast<TypeDecl>(ND)) {
T = Context.getTypeDeclType(Type);
- else
+ DiagnoseUseOfDecl(Type, NameLoc);
+ }
+ else
return ObjCInstanceMessage;
// We have a class message, and T is the type we're