diff options
| author | Fariborz Jahanian <fjahanian@apple.com> | 2012-01-18 19:08:56 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2012-01-18 19:08:56 +0000 |
| commit | 556b1d0f3a039a691ed4f6dd91b8587435f30b0b (patch) | |
| tree | 3fb070100def51939e01a641d87cd5c7cfbbb81f /lib/Sema/SemaExprMember.cpp | |
| parent | 64554ba9fc5f251108fd7d10a9c218e7bf985941 (diff) | |
objc: deprecate direct usage of 'isa' of objc objects
in favor of usage of api's intended for.
// rdar://8290002
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148404 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaExprMember.cpp')
| -rw-r--r-- | lib/Sema/SemaExprMember.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Sema/SemaExprMember.cpp b/lib/Sema/SemaExprMember.cpp index 82249df211..6bff219d1e 100644 --- a/lib/Sema/SemaExprMember.cpp +++ b/lib/Sema/SemaExprMember.cpp @@ -1114,10 +1114,12 @@ Sema::LookupMemberExpr(LookupResult &R, ExprResult &BaseExpr, goto fail; // There's an implicit 'isa' ivar on all objects. // But we only actually find it this way on objects of type 'id', - // apparently. - if (OTy->isObjCId() && Member->isStr("isa")) + // apparently.ghjg + if (OTy->isObjCId() && Member->isStr("isa")) { + Diag(MemberLoc, diag::warn_objc_isa_use); return Owned(new (Context) ObjCIsaExpr(BaseExpr.take(), IsArrow, MemberLoc, Context.getObjCClassType())); + } if (ShouldTryAgainWithRedefinitionType(*this, BaseExpr)) return LookupMemberExpr(R, BaseExpr, IsArrow, OpLoc, SS, |