1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.mike/p6610a.C b/gcc/testsuite/g++.old-deja/g++.mike/p6610a.C
new file mode 100644
index 000000000..4870e074d
--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.mike/p6610a.C
@@ -0,0 +1,15 @@
+// { dg-do run  }
+// prms-id: 6610
+// There is a bug in vtable thunks with multiple/virtual inheritance.
+
+int fail = 1;
+struct B;
+struct A { virtual int f(const B*) = 0; int g(const B*); };
+int A::g(const B* t) { return f(t); }
+struct B : virtual A { B(); int f(const B*); B* B_this; };
+B::B() { if (g(this)) fail = 0; }
+int B::f(const B* t) { return t == this; }
+struct C : B { int f(const B*); int x; };
+int C::f(const B*) { return 0; }
+
+int main() { C c; return fail; }