1// RUN: %clang_cc1 %s -triple i386-unknown-unknown -emit-llvm -o - | FileCheck %s
2// <rdar://problem/7929157> & <rdar://problem/8104369>
3
4struct A {
5  virtual int f() { return 1; }
6};
7
8struct B {
9  virtual int f() { return 2; }
10};
11
12struct C : A, B {
13  virtual int f() { return 3; }
14};
15
16struct D : C {
17  virtual int f() { return 4; }
18};
19
20static int f(D* d) {
21  B* b = d;
22  return b->f();
23};
24
25int g() {
26  D d;
27  return f(&d);
28}
29
30// Thunks should be marked as "linkonce ODR" not "weak".
31//
32// CHECK: define linkonce_odr i32 @_ZThn{{[48]}}_N1D1fEv
33// CHECK: define linkonce_odr i32 @_ZThn{{[48]}}_N1C1fEv
34