1 files changed, 23 insertions, 0 deletions
diff --git a/test/SemaCXX/accessible-base.cpp b/test/SemaCXX/accessible-base.cpp
new file mode 100644
index 000000000000..6bf06ce12602
--- /dev/null
+++ b/test/SemaCXX/accessible-base.cpp
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+struct A {
+  int a;
+};
+
+struct X1 : virtual A 
+{};
+
+struct Y1 : X1, virtual A
+{};
+
+struct Y2 : X1, A // expected-warning{{direct base 'A' is inaccessible due to ambiguity:\n    struct Y2 -> struct X1 -> struct A\n    struct Y2 -> struct A}}
+{};
+
+struct X2 : A 
+{};
+
+struct Z1 : X2, virtual A // expected-warning{{direct base 'A' is inaccessible due to ambiguity:\n    struct Z1 -> struct X2 -> struct A\n    struct Z1 -> struct A}}
+{};
+
+struct Z2 : X2, A // expected-warning{{direct base 'A' is inaccessible due to ambiguity:\n    struct Z2 -> struct X2 -> struct A\n    struct Z2 -> struct A}}
+{};