|  | // RUN: %clang_cc1 %s -fno-rtti-data -triple=i386-pc-win32 -o - -emit-llvm | FileCheck %s | 
|  |  | 
|  | // vftable shouldn't have RTTI data in it. | 
|  | // CHECK-NOT: @"??_R4S@@6B@" | 
|  | // CHECK: @"??_7S@@6B@" = linkonce_odr unnamed_addr constant { [1 x ptr] } { [1 x ptr] [ptr @"??_GS@@UAEPAXI@Z"] }, comdat | 
|  |  | 
|  | struct type_info; | 
|  | namespace std { using ::type_info; } | 
|  |  | 
|  | struct S { | 
|  | virtual ~S(); | 
|  | } s; | 
|  |  | 
|  | struct U : S { | 
|  | virtual ~U(); | 
|  | }; | 
|  |  | 
|  | extern S *getS(); | 
|  |  | 
|  | const std::type_info &ti = typeid(*getS()); | 
|  | const U &u = dynamic_cast<U &>(*getS()); | 
|  | // CHECK: call ptr @__RTDynamicCast(ptr %{{.+}}, i32 0, ptr @"??_R0?AUS@@@8", ptr @"??_R0?AUU@@@8", i32 1) |