| // RUN: %clang_cc1 -o - -emit-interface-stubs %s | FileCheck %s | |
| // CHECK: --- !experimental-ifs-v2 | |
| // CHECK-NEXT: IfsVersion: 2.0 | |
| // CHECK-NEXT: Triple: | |
| // CHECK-NEXT: ObjectFileFormat: ELF | |
| // CHECK-NEXT: Symbols: | |
| // CHECK-NEXT: ... | |
| // UnresolvedUsingTypenameDecl | |
| template<typename T> class C1 { using ReprType = unsigned; }; | |
| template<typename T> class C2 : public C1<T> { using typename C1<T>::Repr; }; |