Implement access checking for protected base classes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67887 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 32 insertions, 0 deletions

diff --git a/test/SemaCXX/access-base-class.cpp b/test/SemaCXX/access-base-class.cpp
index f98437695e..3e50b26e5a 100644
--- a/test/SemaCXX/access-base-class.cpp
+++ b/test/SemaCXX/access-base-class.cpp
@@ -80,3 +80,35 @@ namespace T6 {
     A *a = c;
   }
 }
+
+namespace T7 {
+  
+class C;
+class A { };
+class B : protected A { // expected-note {{'protected' inheritance specifier here}}
+  void f(C *);
+};
+
+class C : protected B { // expected-note {{'protected' inheritance specifier here}}
+  void f(C *c) {
+    A* a = c;
+  }
+};
+
+void B::f(C *c) {
+  A *a = c; // expected-error {{conversion from 'class T7::C' to inaccessible base class 'class T7::A'}} \
+               expected-error {{incompatible type initializing 'class T7::C *', expected 'class T7::A *'}}
+}
+
+class D : private C  {
+  void f(D *d) {
+    A *a = d;
+  }
+};
+
+void f(B* b) {
+  A *a = b; // expected-error {{conversion from 'class T7::B' to inaccessible base class 'class T7::A'}} \
+               expected-error {{incompatible type initializing 'class T7::B *', expected 'class T7::A *'}}
+}
+
+}