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// RUN: %clang_cc1 -std=c++26 -ast-dump -ast-dump-filter=Test %s | FileCheck %s
template <template <class> class TT> using N = TT<int>;
namespace qualified {
namespace foo {
template <class T> struct A;
} // namespace foo
using TestQualified = N<foo::A>;
} // namespace qualified
// CHECK: Dumping qualified::TestQualified:
// CHECK-NEXT: TypeAliasDecl
// CHECK-NEXT: `-TemplateSpecializationType
// CHECK-NEXT: |-name: 'N' qualified
// CHECK-NEXT: | `-TypeAliasTemplateDecl {{.+}} N{{$}}
// CHECK-NEXT: |-TemplateArgument template 'foo::A':'qualified::foo::A' qualified{{$}}
// CHECK-NEXT: | |-NestedNameSpecifier Namespace 0x{{.+}} 'foo'{{$}}
// CHECK-NEXT: | `-ClassTemplateDecl {{.+}} A{{$}}
namespace dependent {
template <class T> struct B {
using TestDependent = N<T::template X>;
};
} // namespace dependent
// CHECK: Dumping dependent::B::TestDependent:
// CHECK-NEXT: TypeAliasDecl
// CHECK-NEXT: `-TemplateSpecializationType
// CHECK-NEXT: |-name: 'N' qualified
// CHECK-NEXT: | `-TypeAliasTemplateDecl
// CHECK-NEXT: |-TemplateArgument template 'T::template X':'type-parameter-0-0::template X' dependent{{$}}
// CHECK-NEXT: | `-NestedNameSpecifier TypeSpec 'T'{{$}}
namespace subst {
template <class> struct A;
template <template <class> class TT> struct B {
template <template <class> class> struct C {};
using type = C<TT>;
};
using TestSubst = B<A>::type;
} // namespace subst
// CHECK: Dumping subst::TestSubst:
// CHECK-NEXT: TypeAliasDecl
// CHECK-NEXT: `-TypedefType
// CHECK-NEXT: |-NestedNameSpecifier TypeSpec 'B<A>':'subst::B<subst::A>'
// CHECK-NEXT: |-TypeAlias
// CHECK-NEXT: `-TemplateSpecializationType
// CHECK-NEXT: |-name: 'C':'subst::B<subst::A>::C' qualified
// CHECK-NEXT: | `-ClassTemplateDecl {{.+}} C
// CHECK-NEXT: |-TemplateArgument template 'subst::A' subst index 0
// CHECK-NEXT: | |-parameter: TemplateTemplateParmDecl {{.+}} depth 0 index 0 TT{{$}}
// CHECK-NEXT: | |-associated ClassTemplateSpecialization {{.+}} 'B'{{$}}
// CHECK-NEXT: | `-replacement:
// CHECK-NEXT: | `-ClassTemplateDecl {{.+}} A{{$}}
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