diff options
Diffstat (limited to 'lib/Sema/SemaExprMember.cpp')
-rw-r--r-- | lib/Sema/SemaExprMember.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/lib/Sema/SemaExprMember.cpp b/lib/Sema/SemaExprMember.cpp index 22b23150d1..d5e83ce8ae 100644 --- a/lib/Sema/SemaExprMember.cpp +++ b/lib/Sema/SemaExprMember.cpp @@ -1149,7 +1149,20 @@ Sema::LookupMemberExpr(LookupResult &R, ExprResult &BaseExpr, ObjCImpDecl, HasTemplateArgs); goto fail; } - + else if (Member && Member->isStr("isa")) { + // If an ivar is (1) the first ivar in a root class and (2) named `isa`, + // then issue the same deprecated warning that id->isa gets. + ObjCInterfaceDecl *ClassDeclared = 0; + if (ObjCIvarDecl *IV = + IDecl->lookupInstanceVariable(Member, ClassDeclared)) { + if (!ClassDeclared->getSuperClass() + && (*ClassDeclared->ivar_begin()) == IV) { + Diag(MemberLoc, diag::warn_objc_isa_use); + Diag(IV->getLocation(), diag::note_ivar_decl); + } + } + } + if (RequireCompleteType(OpLoc, BaseType, diag::err_typecheck_incomplete_tag, BaseExpr.get())) return ExprError(); |