Handle diamond inheritance in -Woverloaded-virtual.

llvm-svn: 166254

1 files changed, 40 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/warn-overloaded-virtual.cpp b/clang/test/SemaCXX/warn-overloaded-virtual.cpp
index 79635a62f8a..9b0f5aa9f33 100644
--- a/clang/test/SemaCXX/warn-overloaded-virtual.cpp
+++ b/clang/test/SemaCXX/warn-overloaded-virtual.cpp
@@ -80,3 +80,43 @@ struct C: B {
   using A::f;
 };
 }
+
+namespace UnbalancedVirtual {
+struct Base {
+  virtual void func();
+};
+
+struct Derived1: virtual Base {
+  virtual void func();
+};
+
+struct Derived2: virtual Base {
+};
+
+struct MostDerived: Derived1, Derived2 {
+  void func(int);
+  void func();
+};
+}
+
+namespace UnbalancedVirtual2 {
+struct Base {
+  virtual void func();
+};
+
+struct Derived1: virtual Base {
+  virtual void func();
+};
+
+struct Derived2: virtual Base {
+};
+
+struct Derived3: Derived1 {
+  virtual void func();
+};
+
+struct MostDerived: Derived3, Derived2 {
+  void func(int);
+  void func();
+};
+}