If a class does not have a key function, its linkage should be weak_odr.

llvm-svn: 90680

1 files changed, 10 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/vtable-linkage.cpp b/clang/test/CodeGenCXX/vtable-linkage.cpp
index 39435a3c7fd..4eae3175a07 100644
--- a/clang/test/CodeGenCXX/vtable-linkage.cpp
+++ b/clang/test/CodeGenCXX/vtable-linkage.cpp
@@ -15,10 +15,20 @@ struct B {
 
 B::B() { }
 
+struct C {
+  C();
+  virtual void f() { } 
+};
+
+C::C() { } 
+
 // B has a key function that is not defined in this translation unit so its vtable
 // has external linkage.
 // CHECK: @_ZTV1B = external constant
 
+// C has no key function, so its vtable should have weak_odr linkage.
+// CHECK: @_ZTV1C = weak_odr constant
+
 // The A vtable should have internal linkage since it is inside an anonymous 
 // namespace.
 // CHECK: @_ZTVN12_GLOBAL__N_11AE = internal constant