When checking access control for an instance member access on

an object of type I, if the current access target is protected
when named in a class N, consider the friends of the classes P
where I <= P <= N and where a notional member of N would be
non-forbidden in P.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112358 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 23 insertions, 6 deletions

diff --git a/test/CXX/class.access/class.protected/p1.cpp b/test/CXX/class.access/class.protected/p1.cpp
index 778e16aa3f..a193264213 100644
--- a/test/CXX/class.access/class.protected/p1.cpp
+++ b/test/CXX/class.access/class.protected/p1.cpp
@@ -329,8 +329,7 @@ namespace test8 {
 
 namespace test9 {
   class A { // expected-note {{member is declared here}}
-  protected: int foo(); // expected-note 8 {{declared}} \
-    // expected-note {{member is declared here}}
+  protected: int foo(); // expected-note 7 {{declared}}
   };
 
   class B : public A { // expected-note {{member is declared here}}
@@ -338,7 +337,7 @@ namespace test9 {
   };
 
   class C : protected B { // expected-note {{declared}} \
-                          // expected-note 6 {{constrained}}
+                          // expected-note 9 {{constrained}}
   };
 
   class D : public A {
@@ -351,7 +350,7 @@ namespace test9 {
 
     static void test(B &b) {
       b.foo();
-      b.A::foo(); // expected-error {{'foo' is a protected member}}
+      b.A::foo();
       b.B::foo();
       b.C::foo(); // expected-error {{'foo' is a protected member}}
     }
@@ -359,8 +358,7 @@ namespace test9 {
     static void test(C &c) {
       c.foo();    // expected-error {{'foo' is a protected member}} \
                   // expected-error {{cannot cast}}
-      c.A::foo(); // expected-error {{'foo' is a protected member}} \
-                  // expected-error {{'A' is a protected member}} \
+      c.A::foo(); // expected-error {{'A' is a protected member}} \
                   // expected-error {{cannot cast}}
       c.B::foo(); // expected-error {{'B' is a protected member}} \
                   // expected-error {{cannot cast}}
@@ -388,3 +386,22 @@ namespace test10 {
 
   template class A<int>;
 }
+
+// rdar://problem/8360285: class.protected friendship
+namespace test11 {
+  class A {
+  protected:
+    int foo();
+  };
+
+  class B : public A {
+    friend class C;
+  };
+
+  class C {
+    void test() {
+      B b;
+      b.A::foo();
+    }
+  };
+}