[clang] [Clang][Sema] access checking of friend declaration should not be delayed (PR #91430)

[Qizhi Hu via cfe-commits]

================
@@ -1477,8 +1477,16 @@ static Sema::AccessResult CheckAccess(Sema &S, 
SourceLocation Loc,
   //   void foo(A::private_type);
   //   void B::foo(A::private_type);
   if (S.DelayedDiagnostics.shouldDelayDiagnostics()) {
-    S.DelayedDiagnostics.add(DelayedDiagnostic::makeAccess(Loc, Entity));
-    return Sema::AR_delayed;
+    Scope *TS = S.getCurScope();
+    bool IsFriendDeclaration = false;
+    while (TS && !IsFriendDeclaration) {
+      IsFriendDeclaration = TS->isFriendScope();
+      TS = TS->getParent();
+    }
+    if (!IsFriendDeclaration) {
+      S.DelayedDiagnostics.add(DelayedDiagnostic::makeAccess(Loc, Entity));
+      return Sema::AR_delayed;
+    }
----------------
jcsxky wrote:

Added.

https://github.com/llvm/llvm-project/pull/91430
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