1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Sema/SemaAccess.cpp b/lib/Sema/SemaAccess.cpp
index 90d3177222..e2b7a7e061 100644
--- a/lib/Sema/SemaAccess.cpp
+++ b/lib/Sema/SemaAccess.cpp
@@ -514,6 +514,9 @@ static AccessResult MatchesFriend(Sema &S,
 static AccessResult MatchesFriend(Sema &S,
                                   const EffectiveContext &EC,
                                   FriendDecl *FriendD) {
+  if (FriendD->isInvalidDecl())
+    return AR_accessible;
+
   if (TypeSourceInfo *T = FriendD->getFriendType())
     return MatchesFriend(S, EC, T->getType()->getCanonicalTypeUnqualified());