1 // RUN: %clang_cc1 -o - -emit-interface-stubs %s | FileCheck %s 2 3 // CHECK: --- !ifs-v1 4 // CHECK-NEXT: IfsVersion: 3.0 5 // CHECK-NEXT: Target: 6 // CHECK-NEXT: Symbols: 7 // CHECK-NEXT: ... 8 9 // UnresolvedUsingTypenameDecl 10 template<typename T> class C1 { using ReprType = unsigned; }; 11 template<typename T> class C2 : public C1<T> { using typename C1<T>::Repr; }; 12