|  | // RUN: %clang_cc1 -fno-rtti-data -O1 -disable-llvm-passes %s -emit-llvm -o - -triple x86_64-windows-msvc | FileCheck %s | 
|  |  | 
|  | // Even though Foo<int> has an extern template declaration, we have to emit our | 
|  | // own copy the vftable when emitting the available externally constructor. | 
|  |  | 
|  | // CHECK: @"??_7?$Foo@H@@6B@" = linkonce_odr unnamed_addr constant { [1 x i8*] } { [1 x i8*] [ | 
|  | // CHECK-SAME:   i8* bitcast (i8* (%struct.Foo*, i32)* @"??_G?$Foo@H@@UEAAPEAXI@Z" to i8*) | 
|  | // CHECK-SAME: ] }, comdat | 
|  |  | 
|  | // CHECK-LABEL: define dso_local %struct.Foo* @"?f@@YAPEAU?$Foo@H@@XZ"() | 
|  | // CHECK: call %struct.Foo* @"??0?$Foo@H@@QEAA@XZ"(%struct.Foo* %{{.*}}) | 
|  |  | 
|  | // CHECK: define available_externally dso_local %struct.Foo* @"??0?$Foo@H@@QEAA@XZ"(%struct.Foo* returned %this) | 
|  | // CHECK:   store {{.*}} @"??_7?$Foo@H@@6B@" | 
|  |  | 
|  | // CHECK: define linkonce_odr dso_local i8* @"??_G?$Foo@H@@UEAAPEAXI@Z"(%struct.Foo* %this, i32 %should_call_delete) | 
|  |  | 
|  | struct Base { | 
|  | virtual ~Base(); | 
|  | }; | 
|  | template <typename T> struct Foo : Base { | 
|  | Foo() {} | 
|  | }; | 
|  | extern template class Foo<int>; | 
|  | Foo<int> *f() { return new Foo<int>(); } |