1 // RUN: %clang_cc1 -o - -emit-interface-stubs %s | FileCheck %s
2 
3 // CHECK:      --- !experimental-ifs-v1
4 // CHECK-NEXT: IfsVersion: 1.0
5 // CHECK-NEXT: Triple:
6 // CHECK-NEXT: ObjectFileFormat: ELF
7 // CHECK-NEXT: Symbols:
8 // CHECK-NEXT: ...
9 
10 // UnresolvedUsingTypenameDecl
11 template<typename T> class C1 { using ReprType = unsigned; };
12 template<typename T> class C2 : public C1<T> { using typename C1<T>::Repr; };
13