// RUN: %clang_cc1 %s -triple %itanium_abi_triple -emit-llvm -o - | FileCheck %s template class A { public: A() {} virtual void a() {} }; class B : A { B(); }; B::B() {} template class A; extern template class A; template class A; // CHECK: @_ZTV1B = linkonce_odr {{(dso_local )?}}unnamed_addr constant // CHECK: @_ZTV1AIlE = weak_odr {{(dso_local )?}}unnamed_addr constant // CHECK: @_ZTV1AIsE = weak_odr {{(dso_local )?}}unnamed_addr constant // CHECK: @_ZTV1AIiE = linkonce_odr {{(dso_local )?}}unnamed_addr constant template struct C { virtual void c() {} }; struct D : C { virtual void d(); }; void D::d() {} // CHECK: define {{.*}}@_ZN1CIiE1cEv(