1 files changed, 55 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/inherit/thunk7.C b/gcc/testsuite/g++.dg/inherit/thunk7.C
new file mode 100644
index 000000000..0e16d8954
--- /dev/null
+++ b/gcc/testsuite/g++.dg/inherit/thunk7.C
@@ -0,0 +1,55 @@
+// { dg-do run }
+
+#include <stdlib.h>
+
+class A
+{
+    int a, b;
+public:
+    virtual void foo (int a, int b, int c, int d);
+};
+
+class B
+{
+    int c, d;
+public:
+    virtual void bar (int a, int b, int c, int d);
+};
+
+class D : public virtual A, public virtual B
+{
+    int e, f;
+};
+
+void A::foo(int a, int b, int c, int d)
+{
+    if (a != 1 || b != 2 || c != 3 || d != 4)
+	abort ();
+}
+
+void B::bar (int a, int b, int c, int d)
+{
+    if (a != 5 || b != 6 || c != 7 || d != 8)
+	abort ();
+}
+
+class C: private D, public virtual A, public virtual B
+{
+public:
+    virtual void foo (int a, int b, int c, int d) { A::foo (a, b, c, d); D::A::foo (a, b, c, d); }
+    virtual void bar (int a, int b, int c, int d) { B::bar (a, b, c, d); D::B::bar (a, b, c, d); }
+};
+
+C c1;
+C *c2 = &c1;
+A *c3 = &c1;
+B *c4 = &c1;
+
+int main()
+{
+    c2->foo (1, 2, 3, 4);
+    c2->bar (5, 6, 7, 8);
+    c3->foo (1, 2, 3, 4);
+    c4->bar (5, 6, 7, 8);
+    return 0;
+}