objective-c: Exclude -Wdirect-ivar-access for arc.

Allow direct ivar access in init and dealloc methods
in mrr. // rdar://650197


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161426 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 2 deletions

diff --git a/lib/Sema/SemaExprMember.cpp b/lib/Sema/SemaExprMember.cpp
index 5a116b4496..a23155d85e 100644
--- a/lib/Sema/SemaExprMember.cpp
+++ b/lib/Sema/SemaExprMember.cpp
@@ -1261,8 +1261,17 @@ Sema::LookupMemberExpr(LookupResult &R, ExprResult &BaseExpr,
           Diag(DE->getLocation(), diag::error_arc_weak_ivar_access);
     }
     if (IV->getType()->isObjCObjectPointerType() &&
-        getLangOpts().getGC() == LangOptions::NonGC)
-      Diag(MemberLoc, diag::warn_direct_ivar_access) << IV->getDeclName();
+        getLangOpts().getGC() == LangOptions::NonGC &&
+        !getLangOpts().ObjCAutoRefCount) {
+      bool warn = true;
+      if (ObjCMethodDecl *MD = getCurMethodDecl()) {
+        ObjCMethodFamily MF = MD->getMethodFamily();
+        warn = (MF != OMF_init && MF != OMF_dealloc && 
+                MF != OMF_finalize);
+      }
+      if (warn)
+        Diag(MemberLoc, diag::warn_direct_ivar_access) << IV->getDeclName();
+    }
     return Owned(new (Context) ObjCIvarRefExpr(IV, IV->getType(),
                                                MemberLoc, BaseExpr.take(),
                                                IsArrow));