// The -pedantic option must be omitted to trigger the crash.// { dg-do compile }// { dg-options "" }// PR c++/7982: Crash warning about implicit typename.// The base class refers to another typename, while the// name lookup finds a template.template <typename T> struct X {};template <typename T> struct C {  typedef typename T::X X;};template <typename T> struct A : public C<T> {  typedef X<int> X; // { dg-warning "lookup|dependent base|typename" }};